Finding the Third Proportional to 2,545,468 and 5,489,248

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,468 : 5,489,248 = 5,489,248 : x
2. Step 2: Convert to fraction form
   2,545,468/5,489,248 = 5,489,248/x
3. Step 3: Cross multiply
   2,545,468x = 5,489,248 × 5,489,248
4. Step 4: Simplify right side
   2,545,468x = 30,131,843,605,504
5. Step 5: Solve for x
   x = 30,131,843,605,504/2,545,468
6. Step 6: Final answer
   x = 11,837,447.42