Finding the Third Proportional to 4,043,914 and 8,656,448

Step by Step Solution

1. Step 1: Write the proportion equation
   4,043,914 : 8,656,448 = 8,656,448 : x
2. Step 2: Convert to fraction form
   4,043,914/8,656,448 = 8,656,448/x
3. Step 3: Cross multiply
   4,043,914x = 8,656,448 × 8,656,448
4. Step 4: Simplify right side
   4,043,914x = 74,934,091,976,704
5. Step 5: Solve for x
   x = 74,934,091,976,704/4,043,914
6. Step 6: Final answer
   x = 18,530,090.40