Finding the Third Proportional to 124,385 and 266,500

Step by Step Solution

1. Step 1: Write the proportion equation
   124,385 : 266,500 = 266,500 : x
2. Step 2: Convert to fraction form
   124,385/266,500 = 266,500/x
3. Step 3: Cross multiply
   124,385x = 266,500 × 266,500
4. Step 4: Simplify right side
   124,385x = 71,022,250,000
5. Step 5: Solve for x
   x = 71,022,250,000/124,385
6. Step 6: Final answer
   x = 570,987.26