Finding the Third Proportional to 1,400,984 and 2,218,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,984 : 2,218,764 = 2,218,764 : x
2. Step 2: Convert to fraction form
   1,400,984/2,218,764 = 2,218,764/x
3. Step 3: Cross multiply
   1,400,984x = 2,218,764 × 2,218,764
4. Step 4: Simplify right side
   1,400,984x = 4,922,913,687,696
5. Step 5: Solve for x
   x = 4,922,913,687,696/1,400,984
6. Step 6: Final answer
   x = 3,513,897.15