Finding the Third Proportional to 2,545,461 and 5,489,233

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,461 : 5,489,233 = 5,489,233 : x
2. Step 2: Convert to fraction form
   2,545,461/5,489,233 = 5,489,233/x
3. Step 3: Cross multiply
   2,545,461x = 5,489,233 × 5,489,233
4. Step 4: Simplify right side
   2,545,461x = 30,131,678,928,289
5. Step 5: Solve for x
   x = 30,131,678,928,289/2,545,461
6. Step 6: Final answer
   x = 11,837,415.28