Finding the Third Proportional to 4,011,518 and 8,354,812

Step by Step Solution

1. Step 1: Write the proportion equation
   4,011,518 : 8,354,812 = 8,354,812 : x
2. Step 2: Convert to fraction form
   4,011,518/8,354,812 = 8,354,812/x
3. Step 3: Cross multiply
   4,011,518x = 8,354,812 × 8,354,812
4. Step 4: Simplify right side
   4,011,518x = 69,802,883,555,344
5. Step 5: Solve for x
   x = 69,802,883,555,344/4,011,518
6. Step 6: Final answer
   x = 17,400,615.82