Finding the Third Proportional to 1,253,223 and 2,649,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,223 : 2,649,312 = 2,649,312 : x
2. Step 2: Convert to fraction form
   1,253,223/2,649,312 = 2,649,312/x
3. Step 3: Cross multiply
   1,253,223x = 2,649,312 × 2,649,312
4. Step 4: Simplify right side
   1,253,223x = 7,018,854,073,344
5. Step 5: Solve for x
   x = 7,018,854,073,344/1,253,223
6. Step 6: Final answer
   x = 5,600,642.56