Finding the Third Proportional to 124,780 and 266,150

Step by Step Solution

1. Step 1: Write the proportion equation
   124,780 : 266,150 = 266,150 : x
2. Step 2: Convert to fraction form
   124,780/266,150 = 266,150/x
3. Step 3: Cross multiply
   124,780x = 266,150 × 266,150
4. Step 4: Simplify right side
   124,780x = 70,835,822,500
5. Step 5: Solve for x
   x = 70,835,822,500/124,780
6. Step 6: Final answer
   x = 567,685.71