Finding the Third Proportional to 31,255.88 and 63,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,255.88 : 63,787.50 = 63,787.50 : x
2. Step 2: Convert to fraction form
   31,255.88/63,787.50 = 63,787.50/x
3. Step 3: Cross multiply
   31,255.88x = 63,787.50 × 63,787.50
4. Step 4: Simplify right side
   31,255.88x = 4,068,845,156.25
5. Step 5: Solve for x
   x = 4,068,845,156.25/31,255.88
6. Step 6: Final answer
   x = 130,178.57