Finding the Third Proportional to 9,318,704 and 19,932,792

Step by Step Solution

1. Step 1: Write the proportion equation
   9,318,704 : 19,932,792 = 19,932,792 : x
2. Step 2: Convert to fraction form
   9,318,704/19,932,792 = 19,932,792/x
3. Step 3: Cross multiply
   9,318,704x = 19,932,792 × 19,932,792
4. Step 4: Simplify right side
   9,318,704x = 397,316,196,915,264
5. Step 5: Solve for x
   x = 397,316,196,915,264/9,318,704
6. Step 6: Final answer
   x = 42,636,422.07