Finding the Third Proportional to 2,220,602 and 4,778,002

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,602 : 4,778,002 = 4,778,002 : x
2. Step 2: Convert to fraction form
   2,220,602/4,778,002 = 4,778,002/x
3. Step 3: Cross multiply
   2,220,602x = 4,778,002 × 4,778,002
4. Step 4: Simplify right side
   2,220,602x = 22,829,303,112,004
5. Step 5: Solve for x
   x = 22,829,303,112,004/2,220,602
6. Step 6: Final answer
   x = 10,280,682.05