Finding the Third Proportional to 2,259,288 and 3,522,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,288 : 3,522,312 = 3,522,312 : x
2. Step 2: Convert to fraction form
   2,259,288/3,522,312 = 3,522,312/x
3. Step 3: Cross multiply
   2,259,288x = 3,522,312 × 3,522,312
4. Step 4: Simplify right side
   2,259,288x = 12,406,681,825,344
5. Step 5: Solve for x
   x = 12,406,681,825,344/2,259,288
6. Step 6: Final answer
   x = 5,491,412.26