Finding the Third Proportional to 4,043,926 and 8,656,472

Step by Step Solution

1. Step 1: Write the proportion equation
   4,043,926 : 8,656,472 = 8,656,472 : x
2. Step 2: Convert to fraction form
   4,043,926/8,656,472 = 8,656,472/x
3. Step 3: Cross multiply
   4,043,926x = 8,656,472 × 8,656,472
4. Step 4: Simplify right side
   4,043,926x = 74,934,507,486,784
5. Step 5: Solve for x
   x = 74,934,507,486,784/4,043,926
6. Step 6: Final answer
   x = 18,530,138.16