Finding the Third Proportional to 31,342,512 and 65,857,632

Step by Step Solution

1. Step 1: Write the proportion equation
   31,342,512 : 65,857,632 = 65,857,632 : x
2. Step 2: Convert to fraction form
   31,342,512/65,857,632 = 65,857,632/x
3. Step 3: Cross multiply
   31,342,512x = 65,857,632 × 65,857,632
4. Step 4: Simplify right side
   31,342,512x = 4,337,227,692,647,424
5. Step 5: Solve for x
   x = 4,337,227,692,647,424/31,342,512
6. Step 6: Final answer
   x = 138,381,623.42