Finding the Third Proportional to 42,539 and 60,892

Step by Step Solution

1. Step 1: Write the proportion equation
   42,539 : 60,892 = 60,892 : x
2. Step 2: Convert to fraction form
   42,539/60,892 = 60,892/x
3. Step 3: Cross multiply
   42,539x = 60,892 × 60,892
4. Step 4: Simplify right side
   42,539x = 3,707,835,664
5. Step 5: Solve for x
   x = 3,707,835,664/42,539
6. Step 6: Final answer
   x = 87,163.21