Finding the Third Proportional to 1,215,364 and 2,649,414

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,364 : 2,649,414 = 2,649,414 : x
2. Step 2: Convert to fraction form
   1,215,364/2,649,414 = 2,649,414/x
3. Step 3: Cross multiply
   1,215,364x = 2,649,414 × 2,649,414
4. Step 4: Simplify right side
   1,215,364x = 7,019,394,543,396
5. Step 5: Solve for x
   x = 7,019,394,543,396/1,215,364
6. Step 6: Final answer
   x = 5,775,549.17