Finding the Third Proportional to 478,780 and 1,036,808

Step by Step Solution

1. Step 1: Write the proportion equation
   478,780 : 1,036,808 = 1,036,808 : x
2. Step 2: Convert to fraction form
   478,780/1,036,808 = 1,036,808/x
3. Step 3: Cross multiply
   478,780x = 1,036,808 × 1,036,808
4. Step 4: Simplify right side
   478,780x = 1,074,970,828,864
5. Step 5: Solve for x
   x = 1,074,970,828,864/478,780
6. Step 6: Final answer
   x = 2,245,229.18