Finding the Third Proportional to 60,761.50 and 89,090

Step by Step Solution

1. Step 1: Write the proportion equation
   60,761.50 : 89,090 = 89,090 : x
2. Step 2: Convert to fraction form
   60,761.50/89,090 = 89,090/x
3. Step 3: Cross multiply
   60,761.50x = 89,090 × 89,090
4. Step 4: Simplify right side
   60,761.50x = 7,937,028,100
5. Step 5: Solve for x
   x = 7,937,028,100/60,761.50
6. Step 6: Final answer
   x = 130,625.94