Finding the Third Proportional to 2,220,612 and 4,778,016

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,612 : 4,778,016 = 4,778,016 : x
2. Step 2: Convert to fraction form
   2,220,612/4,778,016 = 4,778,016/x
3. Step 3: Cross multiply
   2,220,612x = 4,778,016 × 4,778,016
4. Step 4: Simplify right side
   2,220,612x = 22,829,436,896,256
5. Step 5: Solve for x
   x = 22,829,436,896,256/2,220,612
6. Step 6: Final answer
   x = 10,280,696.00