Finding the Third Proportional to 2,175,513 and 4,781,730

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,513 : 4,781,730 = 4,781,730 : x
2. Step 2: Convert to fraction form
   2,175,513/4,781,730 = 4,781,730/x
3. Step 3: Cross multiply
   2,175,513x = 4,781,730 × 4,781,730
4. Step 4: Simplify right side
   2,175,513x = 22,864,941,792,900
5. Step 5: Solve for x
   x = 22,864,941,792,900/2,175,513
6. Step 6: Final answer
   x = 10,510,137.97