Finding the Third Proportional to 31,580,976 and 67,861,248

Step by Step Solution

1. Step 1: Write the proportion equation
   31,580,976 : 67,861,248 = 67,861,248 : x
2. Step 2: Convert to fraction form
   31,580,976/67,861,248 = 67,861,248/x
3. Step 3: Cross multiply
   31,580,976x = 67,861,248 × 67,861,248
4. Step 4: Simplify right side
   31,580,976x = 4,605,148,980,117,504
5. Step 5: Solve for x
   x = 4,605,148,980,117,504/31,580,976
6. Step 6: Final answer
   x = 145,820,350.20