Finding the Third Proportional to 60,838 and 89,155

Step by Step Solution

1. Step 1: Write the proportion equation
   60,838 : 89,155 = 89,155 : x
2. Step 2: Convert to fraction form
   60,838/89,155 = 89,155/x
3. Step 3: Cross multiply
   60,838x = 89,155 × 89,155
4. Step 4: Simplify right side
   60,838x = 7,948,614,025
5. Step 5: Solve for x
   x = 7,948,614,025/60,838
6. Step 6: Final answer
   x = 130,652.13