Finding the Third Proportional to 600,920 and 1,218,434

Step by Step Solution

1. Step 1: Write the proportion equation
   600,920 : 1,218,434 = 1,218,434 : x
2. Step 2: Convert to fraction form
   600,920/1,218,434 = 1,218,434/x
3. Step 3: Cross multiply
   600,920x = 1,218,434 × 1,218,434
4. Step 4: Simplify right side
   600,920x = 1,484,581,412,356
5. Step 5: Solve for x
   x = 1,484,581,412,356/600,920
6. Step 6: Final answer
   x = 2,470,514.23