Finding the Third Proportional to 72,613 and 156,700

Step by Step Solution

1. Step 1: Write the proportion equation
   72,613 : 156,700 = 156,700 : x
2. Step 2: Convert to fraction form
   72,613/156,700 = 156,700/x
3. Step 3: Cross multiply
   72,613x = 156,700 × 156,700
4. Step 4: Simplify right side
   72,613x = 24,554,890,000
5. Step 5: Solve for x
   x = 24,554,890,000/72,613
6. Step 6: Final answer
   x = 338,161.07