Finding the Third Proportional to 158,423.50 and 215,225

Step by Step Solution

1. Step 1: Write the proportion equation
   158,423.50 : 215,225 = 215,225 : x
2. Step 2: Convert to fraction form
   158,423.50/215,225 = 215,225/x
3. Step 3: Cross multiply
   158,423.50x = 215,225 × 215,225
4. Step 4: Simplify right side
   158,423.50x = 46,321,800,625
5. Step 5: Solve for x
   x = 46,321,800,625/158,423.50
6. Step 6: Final answer
   x = 292,392.23