Finding the Third Proportional to 42,538.50 and 63,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,538.50 : 63,787.50 = 63,787.50 : x
2. Step 2: Convert to fraction form
   42,538.50/63,787.50 = 63,787.50/x
3. Step 3: Cross multiply
   42,538.50x = 63,787.50 × 63,787.50
4. Step 4: Simplify right side
   42,538.50x = 4,068,845,156.25
5. Step 5: Solve for x
   x = 4,068,845,156.25/42,538.50
6. Step 6: Final answer
   x = 95,650.88