Finding the Third Proportional to 2,545,470 and 5,489,252

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,470 : 5,489,252 = 5,489,252 : x
2. Step 2: Convert to fraction form
   2,545,470/5,489,252 = 5,489,252/x
3. Step 3: Cross multiply
   2,545,470x = 5,489,252 × 5,489,252
4. Step 4: Simplify right side
   2,545,470x = 30,131,887,519,504
5. Step 5: Solve for x
   x = 30,131,887,519,504/2,545,470
6. Step 6: Final answer
   x = 11,837,455.37