Finding the Third Proportional to 123,974 and 254,482

Step by Step Solution

1. Step 1: Write the proportion equation
   123,974 : 254,482 = 254,482 : x
2. Step 2: Convert to fraction form
   123,974/254,482 = 254,482/x
3. Step 3: Cross multiply
   123,974x = 254,482 × 254,482
4. Step 4: Simplify right side
   123,974x = 64,761,088,324
5. Step 5: Solve for x
   x = 64,761,088,324/123,974
6. Step 6: Final answer
   x = 522,376.37