Finding the Third Proportional to 57,244.50 and 83,815.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,244.50 : 83,815.88 = 83,815.88 : x
2. Step 2: Convert to fraction form
   57,244.50/83,815.88 = 83,815.88/x
3. Step 3: Cross multiply
   57,244.50x = 83,815.88 × 83,815.88
4. Step 4: Simplify right side
   57,244.50x = 7,025,100,902.02
5. Step 5: Solve for x
   x = 7,025,100,902.02/57,244.50
6. Step 6: Final answer
   x = 122,720.98