Finding the Third Proportional to 4,386,482 and 9,781,530

Step by Step Solution

1. Step 1: Write the proportion equation
   4,386,482 : 9,781,530 = 9,781,530 : x
2. Step 2: Convert to fraction form
   4,386,482/9,781,530 = 9,781,530/x
3. Step 3: Cross multiply
   4,386,482x = 9,781,530 × 9,781,530
4. Step 4: Simplify right side
   4,386,482x = 95,678,329,140,900
5. Step 5: Solve for x
   x = 95,678,329,140,900/4,386,482
6. Step 6: Final answer
   x = 21,812,087.49