Finding the Third Proportional to 2,137,863 and 4,452,630

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137,863 : 4,452,630 = 4,452,630 : x
2. Step 2: Convert to fraction form
   2,137,863/4,452,630 = 4,452,630/x
3. Step 3: Cross multiply
   2,137,863x = 4,452,630 × 4,452,630
4. Step 4: Simplify right side
   2,137,863x = 19,825,913,916,900
5. Step 5: Solve for x
   x = 19,825,913,916,900/2,137,863
6. Step 6: Final answer
   x = 9,273,706.46