Finding the Third Proportional to 123,312 and 266,048

Step by Step Solution

1. Step 1: Write the proportion equation
   123,312 : 266,048 = 266,048 : x
2. Step 2: Convert to fraction form
   123,312/266,048 = 266,048/x
3. Step 3: Cross multiply
   123,312x = 266,048 × 266,048
4. Step 4: Simplify right side
   123,312x = 70,781,538,304
5. Step 5: Solve for x
   x = 70,781,538,304/123,312
6. Step 6: Final answer
   x = 574,003.65