Finding the Third Proportional to 1,401,124 and 2,218,974

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,124 : 2,218,974 = 2,218,974 : x
2. Step 2: Convert to fraction form
   1,401,124/2,218,974 = 2,218,974/x
3. Step 3: Cross multiply
   1,401,124x = 2,218,974 × 2,218,974
4. Step 4: Simplify right side
   1,401,124x = 4,923,845,612,676
5. Step 5: Solve for x
   x = 4,923,845,612,676/1,401,124
6. Step 6: Final answer
   x = 3,514,211.17