Finding the Third Proportional to 92,432 and 142,724

Step by Step Solution

1. Step 1: Write the proportion equation
   92,432 : 142,724 = 142,724 : x
2. Step 2: Convert to fraction form
   92,432/142,724 = 142,724/x
3. Step 3: Cross multiply
   92,432x = 142,724 × 142,724
4. Step 4: Simplify right side
   92,432x = 20,370,140,176
5. Step 5: Solve for x
   x = 20,370,140,176/92,432
6. Step 6: Final answer
   x = 220,379.74