Finding the Third Proportional to 52,418 and 123,317

Step by Step Solution

1. Step 1: Write the proportion equation
   52,418 : 123,317 = 123,317 : x
2. Step 2: Convert to fraction form
   52,418/123,317 = 123,317/x
3. Step 3: Cross multiply
   52,418x = 123,317 × 123,317
4. Step 4: Simplify right side
   52,418x = 15,207,082,489
5. Step 5: Solve for x
   x = 15,207,082,489/52,418
6. Step 6: Final answer
   x = 290,111.84