Finding the Third Proportional to 52,900,224 and 81,707,538

Step by Step Solution

1. Step 1: Write the proportion equation
   52,900,224 : 81,707,538 = 81,707,538 : x
2. Step 2: Convert to fraction form
   52,900,224/81,707,538 = 81,707,538/x
3. Step 3: Cross multiply
   52,900,224x = 81,707,538 × 81,707,538
4. Step 4: Simplify right side
   52,900,224x = 6,676,121,766,021,444
5. Step 5: Solve for x
   x = 6,676,121,766,021,444/52,900,224
6. Step 6: Final answer
   x = 126,202,145.50