Finding the Third Proportional to 313,892 and 456,250

Step by Step Solution

1. Step 1: Write the proportion equation
   313,892 : 456,250 = 456,250 : x
2. Step 2: Convert to fraction form
   313,892/456,250 = 456,250/x
3. Step 3: Cross multiply
   313,892x = 456,250 × 456,250
4. Step 4: Simplify right side
   313,892x = 208,164,062,500
5. Step 5: Solve for x
   x = 208,164,062,500/313,892
6. Step 6: Final answer
   x = 663,170.97