Finding the Third Proportional to 4,012,482 and 8,679,426

Step by Step Solution

1. Step 1: Write the proportion equation
   4,012,482 : 8,679,426 = 8,679,426 : x
2. Step 2: Convert to fraction form
   4,012,482/8,679,426 = 8,679,426/x
3. Step 3: Cross multiply
   4,012,482x = 8,679,426 × 8,679,426
4. Step 4: Simplify right side
   4,012,482x = 75,332,435,689,476
5. Step 5: Solve for x
   x = 75,332,435,689,476/4,012,482
6. Step 6: Final answer
   x = 18,774,523.02