Finding the Third Proportional to 158,724 and 216,150

Step by Step Solution

1. Step 1: Write the proportion equation
   158,724 : 216,150 = 216,150 : x
2. Step 2: Convert to fraction form
   158,724/216,150 = 216,150/x
3. Step 3: Cross multiply
   158,724x = 216,150 × 216,150
4. Step 4: Simplify right side
   158,724x = 46,720,822,500
5. Step 5: Solve for x
   x = 46,720,822,500/158,724
6. Step 6: Final answer
   x = 294,352.60