Finding the Third Proportional to 58,363.50 and 85,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,363.50 : 85,474.50 = 85,474.50 : x
2. Step 2: Convert to fraction form
   58,363.50/85,474.50 = 85,474.50/x
3. Step 3: Cross multiply
   58,363.50x = 85,474.50 × 85,474.50
4. Step 4: Simplify right side
   58,363.50x = 7,305,890,150.25
5. Step 5: Solve for x
   x = 7,305,890,150.25/58,363.50
6. Step 6: Final answer
   x = 125,179.10