Finding the Third Proportional to 4,162,490 and 8,439,802

Step by Step Solution

1. Step 1: Write the proportion equation
   4,162,490 : 8,439,802 = 8,439,802 : x
2. Step 2: Convert to fraction form
   4,162,490/8,439,802 = 8,439,802/x
3. Step 3: Cross multiply
   4,162,490x = 8,439,802 × 8,439,802
4. Step 4: Simplify right side
   4,162,490x = 71,230,257,799,204
5. Step 5: Solve for x
   x = 71,230,257,799,204/4,162,490
6. Step 6: Final answer
   x = 17,112,415.36