Finding the Third Proportional to 60,440 and 90,892

Step by Step Solution

1. Step 1: Write the proportion equation
   60,440 : 90,892 = 90,892 : x
2. Step 2: Convert to fraction form
   60,440/90,892 = 90,892/x
3. Step 3: Cross multiply
   60,440x = 90,892 × 90,892
4. Step 4: Simplify right side
   60,440x = 8,261,355,664
5. Step 5: Solve for x
   x = 8,261,355,664/60,440
6. Step 6: Final answer
   x = 136,686.89