Finding the Third Proportional to 42,631,490 and 65,984,439

Step by Step Solution

1. Step 1: Write the proportion equation
   42,631,490 : 65,984,439 = 65,984,439 : x
2. Step 2: Convert to fraction form
   42,631,490/65,984,439 = 65,984,439/x
3. Step 3: Cross multiply
   42,631,490x = 65,984,439 × 65,984,439
4. Step 4: Simplify right side
   42,631,490x = 4,353,946,190,144,721
5. Step 5: Solve for x
   x = 4,353,946,190,144,721/42,631,490
6. Step 6: Final answer
   x = 102,129,815.08