Finding the Third Proportional to 31,044,940 and 65,307,312

Step by Step Solution

1. Step 1: Write the proportion equation
   31,044,940 : 65,307,312 = 65,307,312 : x
2. Step 2: Convert to fraction form
   31,044,940/65,307,312 = 65,307,312/x
3. Step 3: Cross multiply
   31,044,940x = 65,307,312 × 65,307,312
4. Step 4: Simplify right side
   31,044,940x = 4,265,045,000,665,344
5. Step 5: Solve for x
   x = 4,265,045,000,665,344/31,044,940
6. Step 6: Final answer
   x = 137,382,935.86