Finding the Third Proportional to 9,043,520 and 19,657,792

Step by Step Solution

1. Step 1: Write the proportion equation
   9,043,520 : 19,657,792 = 19,657,792 : x
2. Step 2: Convert to fraction form
   9,043,520/19,657,792 = 19,657,792/x
3. Step 3: Cross multiply
   9,043,520x = 19,657,792 × 19,657,792
4. Step 4: Simplify right side
   9,043,520x = 386,428,786,315,264
5. Step 5: Solve for x
   x = 386,428,786,315,264/9,043,520
6. Step 6: Final answer
   x = 42,729,908.96