Finding the Third Proportional to 773,886,874,456.45 and 1,683,645,185,021.10

Step by Step Solution

1. Step 1: Write the proportion equation
   773,886,874,456.45 : 1,683,645,185,021.10 = 1,683,645,185,021.10 : x
2. Step 2: Convert to fraction form
   773,886,874,456.45/1,683,645,185,021.10 = 1,683,645,185,021.10/x
3. Step 3: Cross multiply
   773,886,874,456.45x = 1,683,645,185,021.10 × 1,683,645,185,021.10
4. Step 4: Simplify right side
   773,886,874,456.45x = 2,834,661,109,044,734,148,476,928
5. Step 5: Solve for x
   x = 2,834,661,109,044,734,148,476,928/773,886,874,456.45
6. Step 6: Final answer
   x = 3,662,888,210,936.12