Finding the Third Proportional to 1,479,790 and 2,215,629

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479,790 : 2,215,629 = 2,215,629 : x
2. Step 2: Convert to fraction form
   1,479,790/2,215,629 = 2,215,629/x
3. Step 3: Cross multiply
   1,479,790x = 2,215,629 × 2,215,629
4. Step 4: Simplify right side
   1,479,790x = 4,909,011,865,641
5. Step 5: Solve for x
   x = 4,909,011,865,641/1,479,790
6. Step 6: Final answer
   x = 3,317,370.62