Finding the Third Proportional to 3,499,546.50 and 7,278,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499,546.50 : 7,278,448 = 7,278,448 : x
2. Step 2: Convert to fraction form
   3,499,546.50/7,278,448 = 7,278,448/x
3. Step 3: Cross multiply
   3,499,546.50x = 7,278,448 × 7,278,448
4. Step 4: Simplify right side
   3,499,546.50x = 52,975,805,288,704
5. Step 5: Solve for x
   x = 52,975,805,288,704/3,499,546.50
6. Step 6: Final answer
   x = 15,137,905.81