Finding the Third Proportional to 3,947,547 and 8,482,506

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,547 : 8,482,506 = 8,482,506 : x
2. Step 2: Convert to fraction form
   3,947,547/8,482,506 = 8,482,506/x
3. Step 3: Cross multiply
   3,947,547x = 8,482,506 × 8,482,506
4. Step 4: Simplify right side
   3,947,547x = 71,952,908,040,036
5. Step 5: Solve for x
   x = 71,952,908,040,036/3,947,547
6. Step 6: Final answer
   x = 18,227,245.44