Finding the Third Proportional to 60,150 and 85,499

Step by Step Solution

1. Step 1: Write the proportion equation
   60,150 : 85,499 = 85,499 : x
2. Step 2: Convert to fraction form
   60,150/85,499 = 85,499/x
3. Step 3: Cross multiply
   60,150x = 85,499 × 85,499
4. Step 4: Simplify right side
   60,150x = 7,310,079,001
5. Step 5: Solve for x
   x = 7,310,079,001/60,150
6. Step 6: Final answer
   x = 121,530.82