Finding the Third Proportional to 2,220,614 and 4,778,026

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,614 : 4,778,026 = 4,778,026 : x
2. Step 2: Convert to fraction form
   2,220,614/4,778,026 = 4,778,026/x
3. Step 3: Cross multiply
   2,220,614x = 4,778,026 × 4,778,026
4. Step 4: Simplify right side
   2,220,614x = 22,829,532,456,676
5. Step 5: Solve for x
   x = 22,829,532,456,676/2,220,614
6. Step 6: Final answer
   x = 10,280,729.77