Finding the Third Proportional to 3,645,945 and 7,857,122

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,945 : 7,857,122 = 7,857,122 : x
2. Step 2: Convert to fraction form
   3,645,945/7,857,122 = 7,857,122/x
3. Step 3: Cross multiply
   3,645,945x = 7,857,122 × 7,857,122
4. Step 4: Simplify right side
   3,645,945x = 61,734,366,122,884
5. Step 5: Solve for x
   x = 61,734,366,122,884/3,645,945
6. Step 6: Final answer
   x = 16,932,336.09