Finding the Third Proportional to 58,436 and 85,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,436 : 85,787.50 = 85,787.50 : x
2. Step 2: Convert to fraction form
   58,436/85,787.50 = 85,787.50/x
3. Step 3: Cross multiply
   58,436x = 85,787.50 × 85,787.50
4. Step 4: Simplify right side
   58,436x = 7,359,495,156.25
5. Step 5: Solve for x
   x = 7,359,495,156.25/58,436
6. Step 6: Final answer
   x = 125,941.12