Finding the Third Proportional to 42,829,776 and 65,248,461

Step by Step Solution

1. Step 1: Write the proportion equation
   42,829,776 : 65,248,461 = 65,248,461 : x
2. Step 2: Convert to fraction form
   42,829,776/65,248,461 = 65,248,461/x
3. Step 3: Cross multiply
   42,829,776x = 65,248,461 × 65,248,461
4. Step 4: Simplify right side
   42,829,776x = 4,257,361,662,868,521
5. Step 5: Solve for x
   x = 4,257,361,662,868,521/42,829,776
6. Step 6: Final answer
   x = 99,401,912.89