Finding the Third Proportional to 1,299,658 and 2,898,150

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,658 : 2,898,150 = 2,898,150 : x
2. Step 2: Convert to fraction form
   1,299,658/2,898,150 = 2,898,150/x
3. Step 3: Cross multiply
   1,299,658x = 2,898,150 × 2,898,150
4. Step 4: Simplify right side
   1,299,658x = 8,399,273,422,500
5. Step 5: Solve for x
   x = 8,399,273,422,500/1,299,658
6. Step 6: Final answer
   x = 6,462,679.74