Finding the Third Proportional to 1,216,606 and 2,510,324

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,606 : 2,510,324 = 2,510,324 : x
2. Step 2: Convert to fraction form
   1,216,606/2,510,324 = 2,510,324/x
3. Step 3: Cross multiply
   1,216,606x = 2,510,324 × 2,510,324
4. Step 4: Simplify right side
   1,216,606x = 6,301,726,584,976
5. Step 5: Solve for x
   x = 6,301,726,584,976/1,216,606
6. Step 6: Final answer
   x = 5,179,759.58