Finding the Third Proportional to 81,988 and 176,892

Step by Step Solution

1. Step 1: Write the proportion equation
   81,988 : 176,892 = 176,892 : x
2. Step 2: Convert to fraction form
   81,988/176,892 = 176,892/x
3. Step 3: Cross multiply
   81,988x = 176,892 × 176,892
4. Step 4: Simplify right side
   81,988x = 31,290,779,664
5. Step 5: Solve for x
   x = 31,290,779,664/81,988
6. Step 6: Final answer
   x = 381,650.73