Finding the Third Proportional to 52,280 and 123,396

Step by Step Solution

1. Step 1: Write the proportion equation
   52,280 : 123,396 = 123,396 : x
2. Step 2: Convert to fraction form
   52,280/123,396 = 123,396/x
3. Step 3: Cross multiply
   52,280x = 123,396 × 123,396
4. Step 4: Simplify right side
   52,280x = 15,226,572,816
5. Step 5: Solve for x
   x = 15,226,572,816/52,280
6. Step 6: Final answer
   x = 291,250.44