Finding the Third Proportional to 2,585,412 and 5,554,632

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585,412 : 5,554,632 = 5,554,632 : x
2. Step 2: Convert to fraction form
   2,585,412/5,554,632 = 5,554,632/x
3. Step 3: Cross multiply
   2,585,412x = 5,554,632 × 5,554,632
4. Step 4: Simplify right side
   2,585,412x = 30,853,936,655,424
5. Step 5: Solve for x
   x = 30,853,936,655,424/2,585,412
6. Step 6: Final answer
   x = 11,933,856.83