Finding the Third Proportional to 31,350.75 and 63,511.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,350.75 : 63,511.50 = 63,511.50 : x
2. Step 2: Convert to fraction form
   31,350.75/63,511.50 = 63,511.50/x
3. Step 3: Cross multiply
   31,350.75x = 63,511.50 × 63,511.50
4. Step 4: Simplify right side
   31,350.75x = 4,033,710,632.25
5. Step 5: Solve for x
   x = 4,033,710,632.25/31,350.75
6. Step 6: Final answer
   x = 128,663.93