Finding the Third Proportional to 2,528,988 and 5,530,080

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528,988 : 5,530,080 = 5,530,080 : x
2. Step 2: Convert to fraction form
   2,528,988/5,530,080 = 5,530,080/x
3. Step 3: Cross multiply
   2,528,988x = 5,530,080 × 5,530,080
4. Step 4: Simplify right side
   2,528,988x = 30,581,784,806,400
5. Step 5: Solve for x
   x = 30,581,784,806,400/2,528,988
6. Step 6: Final answer
   x = 12,092,498.98