Finding the Third Proportional to 855,484,209 and 1,833,747,678

Step by Step Solution

1. Step 1: Write the proportion equation
   855,484,209 : 1,833,747,678 = 1,833,747,678 : x
2. Step 2: Convert to fraction form
   855,484,209/1,833,747,678 = 1,833,747,678/x
3. Step 3: Cross multiply
   855,484,209x = 1,833,747,678 × 1,833,747,678
4. Step 4: Simplify right side
   855,484,209x = 3,362,630,546,570,391,552
5. Step 5: Solve for x
   x = 3,362,630,546,570,391,552/855,484,209
6. Step 6: Final answer
   x = 3,930,675,179.27