Finding the Third Proportional to 478,688 and 1,036,624

Step by Step Solution

1. Step 1: Write the proportion equation
   478,688 : 1,036,624 = 1,036,624 : x
2. Step 2: Convert to fraction form
   478,688/1,036,624 = 1,036,624/x
3. Step 3: Cross multiply
   478,688x = 1,036,624 × 1,036,624
4. Step 4: Simplify right side
   478,688x = 1,074,589,317,376
5. Step 5: Solve for x
   x = 1,074,589,317,376/478,688
6. Step 6: Final answer
   x = 2,244,863.71