Finding the Third Proportional to 71,892 and 156,000

Step by Step Solution

1. Step 1: Write the proportion equation
   71,892 : 156,000 = 156,000 : x
2. Step 2: Convert to fraction form
   71,892/156,000 = 156,000/x
3. Step 3: Cross multiply
   71,892x = 156,000 × 156,000
4. Step 4: Simplify right side
   71,892x = 24,336,000,000
5. Step 5: Solve for x
   x = 24,336,000,000/71,892
6. Step 6: Final answer
   x = 338,507.76