Finding the Third Proportional to 54,236.25 and 83,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,236.25 : 83,470.50 = 83,470.50 : x
2. Step 2: Convert to fraction form
   54,236.25/83,470.50 = 83,470.50/x
3. Step 3: Cross multiply
   54,236.25x = 83,470.50 × 83,470.50
4. Step 4: Simplify right side
   54,236.25x = 6,967,324,370.25
5. Step 5: Solve for x
   x = 6,967,324,370.25/54,236.25
6. Step 6: Final answer
   x = 128,462.50