Finding the Third Proportional to 2,545,560 and 5,489,432

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,560 : 5,489,432 = 5,489,432 : x
2. Step 2: Convert to fraction form
   2,545,560/5,489,432 = 5,489,432/x
3. Step 3: Cross multiply
   2,545,560x = 5,489,432 × 5,489,432
4. Step 4: Simplify right side
   2,545,560x = 30,133,863,682,624
5. Step 5: Solve for x
   x = 30,133,863,682,624/2,545,560
6. Step 6: Final answer
   x = 11,837,813.17