Finding the Third Proportional to 1,290,117 and 2,049,589

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,117 : 2,049,589 = 2,049,589 : x
2. Step 2: Convert to fraction form
   1,290,117/2,049,589 = 2,049,589/x
3. Step 3: Cross multiply
   1,290,117x = 2,049,589 × 2,049,589
4. Step 4: Simplify right side
   1,290,117x = 4,200,815,068,921
5. Step 5: Solve for x
   x = 4,200,815,068,921/1,290,117
6. Step 6: Final answer
   x = 3,256,150.46