Finding the Third Proportional to 2,438,400 and 5,359,464

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438,400 : 5,359,464 = 5,359,464 : x
2. Step 2: Convert to fraction form
   2,438,400/5,359,464 = 5,359,464/x
3. Step 3: Cross multiply
   2,438,400x = 5,359,464 × 5,359,464
4. Step 4: Simplify right side
   2,438,400x = 28,723,854,367,296
5. Step 5: Solve for x
   x = 28,723,854,367,296/2,438,400
6. Step 6: Final answer
   x = 11,779,795.92