Finding the Third Proportional to 1,225,856 and 2,599,150

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225,856 : 2,599,150 = 2,599,150 : x
2. Step 2: Convert to fraction form
   1,225,856/2,599,150 = 2,599,150/x
3. Step 3: Cross multiply
   1,225,856x = 2,599,150 × 2,599,150
4. Step 4: Simplify right side
   1,225,856x = 6,755,580,722,500
5. Step 5: Solve for x
   x = 6,755,580,722,500/1,225,856
6. Step 6: Final answer
   x = 5,510,908.89