Finding the Third Proportional to 2,278,728 and 3,542,532

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278,728 : 3,542,532 = 3,542,532 : x
2. Step 2: Convert to fraction form
   2,278,728/3,542,532 = 3,542,532/x
3. Step 3: Cross multiply
   2,278,728x = 3,542,532 × 3,542,532
4. Step 4: Simplify right side
   2,278,728x = 12,549,532,971,024
5. Step 5: Solve for x
   x = 12,549,532,971,024/2,278,728
6. Step 6: Final answer
   x = 5,507,253.60