Finding the Third Proportional to 57,449.25 and 85,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,449.25 : 85,826.25 = 85,826.25 : x
2. Step 2: Convert to fraction form
   57,449.25/85,826.25 = 85,826.25/x
3. Step 3: Cross multiply
   57,449.25x = 85,826.25 × 85,826.25
4. Step 4: Simplify right side
   57,449.25x = 7,366,145,189.06
5. Step 5: Solve for x
   x = 7,366,145,189.06/57,449.25
6. Step 6: Final answer
   x = 128,220.04