Finding the Third Proportional to 2,545,472 and 5,489,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,472 : 5,489,256 = 5,489,256 : x
2. Step 2: Convert to fraction form
   2,545,472/5,489,256 = 5,489,256/x
3. Step 3: Cross multiply
   2,545,472x = 5,489,256 × 5,489,256
4. Step 4: Simplify right side
   2,545,472x = 30,131,931,433,536
5. Step 5: Solve for x
   x = 30,131,931,433,536/2,545,472
6. Step 6: Final answer
   x = 11,837,463.32