Finding the Third Proportional to 31,254.75 and 63,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,254.75 : 63,670.50 = 63,670.50 : x
2. Step 2: Convert to fraction form
   31,254.75/63,670.50 = 63,670.50/x
3. Step 3: Cross multiply
   31,254.75x = 63,670.50 × 63,670.50
4. Step 4: Simplify right side
   31,254.75x = 4,053,932,570.25
5. Step 5: Solve for x
   x = 4,053,932,570.25/31,254.75
6. Step 6: Final answer
   x = 129,706.13