Finding the Third Proportional to 8,988,518 and 19,658,650

Step by Step Solution

1. Step 1: Write the proportion equation
   8,988,518 : 19,658,650 = 19,658,650 : x
2. Step 2: Convert to fraction form
   8,988,518/19,658,650 = 19,658,650/x
3. Step 3: Cross multiply
   8,988,518x = 19,658,650 × 19,658,650
4. Step 4: Simplify right side
   8,988,518x = 386,462,519,822,500
5. Step 5: Solve for x
   x = 386,462,519,822,500/8,988,518
6. Step 6: Final answer
   x = 42,995,132.21