Finding the Third Proportional to 42,117,516 and 91,986,078

Step by Step Solution

1. Step 1: Write the proportion equation
   42,117,516 : 91,986,078 = 91,986,078 : x
2. Step 2: Convert to fraction form
   42,117,516/91,986,078 = 91,986,078/x
3. Step 3: Cross multiply
   42,117,516x = 91,986,078 × 91,986,078
4. Step 4: Simplify right side
   42,117,516x = 8,461,438,545,822,084
5. Step 5: Solve for x
   x = 8,461,438,545,822,084/42,117,516
6. Step 6: Final answer
   x = 200,900,702.35