Finding the Third Proportional to 1,099,415 and 2,386,831

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099,415 : 2,386,831 = 2,386,831 : x
2. Step 2: Convert to fraction form
   1,099,415/2,386,831 = 2,386,831/x
3. Step 3: Cross multiply
   1,099,415x = 2,386,831 × 2,386,831
4. Step 4: Simplify right side
   1,099,415x = 5,696,962,222,561
5. Step 5: Solve for x
   x = 5,696,962,222,561/1,099,415
6. Step 6: Final answer
   x = 5,181,812.35