Finding the Third Proportional to 42,829,830 and 65,248,539

Step by Step Solution

1. Step 1: Write the proportion equation
   42,829,830 : 65,248,539 = 65,248,539 : x
2. Step 2: Convert to fraction form
   42,829,830/65,248,539 = 65,248,539/x
3. Step 3: Cross multiply
   42,829,830x = 65,248,539 × 65,248,539
4. Step 4: Simplify right side
   42,829,830x = 4,257,371,841,634,521
5. Step 5: Solve for x
   x = 4,257,371,841,634,521/42,829,830
6. Step 6: Final answer
   x = 99,402,025.22