Finding the Third Proportional to 1,401,000 and 2,218,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,000 : 2,218,790 = 2,218,790 : x
2. Step 2: Convert to fraction form
   1,401,000/2,218,790 = 2,218,790/x
3. Step 3: Cross multiply
   1,401,000x = 2,218,790 × 2,218,790
4. Step 4: Simplify right side
   1,401,000x = 4,923,029,064,100
5. Step 5: Solve for x
   x = 4,923,029,064,100/1,401,000
6. Step 6: Final answer
   x = 3,513,939.37