Finding the Third Proportional to 4,043,908 and 8,656,436

Step by Step Solution

1. Step 1: Write the proportion equation
   4,043,908 : 8,656,436 = 8,656,436 : x
2. Step 2: Convert to fraction form
   4,043,908/8,656,436 = 8,656,436/x
3. Step 3: Cross multiply
   4,043,908x = 8,656,436 × 8,656,436
4. Step 4: Simplify right side
   4,043,908x = 74,933,884,222,096
5. Step 5: Solve for x
   x = 74,933,884,222,096/4,043,908
6. Step 6: Final answer
   x = 18,530,066.52