Finding the Third Proportional to 3,494,550 and 7,474,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,550 : 7,474,872 = 7,474,872 : x
2. Step 2: Convert to fraction form
   3,494,550/7,474,872 = 7,474,872/x
3. Step 3: Cross multiply
   3,494,550x = 7,474,872 × 7,474,872
4. Step 4: Simplify right side
   3,494,550x = 55,873,711,416,384
5. Step 5: Solve for x
   x = 55,873,711,416,384/3,494,550
6. Step 6: Final answer
   x = 15,988,814.42