Finding the Third Proportional to 1,478,639 and 2,245,630

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,639 : 2,245,630 = 2,245,630 : x
2. Step 2: Convert to fraction form
   1,478,639/2,245,630 = 2,245,630/x
3. Step 3: Cross multiply
   1,478,639x = 2,245,630 × 2,245,630
4. Step 4: Simplify right side
   1,478,639x = 5,042,854,096,900
5. Step 5: Solve for x
   x = 5,042,854,096,900/1,478,639
6. Step 6: Final answer
   x = 3,410,470.10