Finding the Third Proportional to 59,128.50 and 85,001.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,128.50 : 85,001.25 = 85,001.25 : x
2. Step 2: Convert to fraction form
   59,128.50/85,001.25 = 85,001.25/x
3. Step 3: Cross multiply
   59,128.50x = 85,001.25 × 85,001.25
4. Step 4: Simplify right side
   59,128.50x = 7,225,212,501.56
5. Step 5: Solve for x
   x = 7,225,212,501.56/59,128.50
6. Step 6: Final answer
   x = 122,195.09