Finding the Third Proportional to 123,630 and 266,970

Step by Step Solution

1. Step 1: Write the proportion equation
   123,630 : 266,970 = 266,970 : x
2. Step 2: Convert to fraction form
   123,630/266,970 = 266,970/x
3. Step 3: Cross multiply
   123,630x = 266,970 × 266,970
4. Step 4: Simplify right side
   123,630x = 71,272,980,900
5. Step 5: Solve for x
   x = 71,272,980,900/123,630
6. Step 6: Final answer
   x = 576,502.31