Finding the Third Proportional to 1,417,904 and 2,179,418

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,904 : 2,179,418 = 2,179,418 : x
2. Step 2: Convert to fraction form
   1,417,904/2,179,418 = 2,179,418/x
3. Step 3: Cross multiply
   1,417,904x = 2,179,418 × 2,179,418
4. Step 4: Simplify right side
   1,417,904x = 4,749,862,818,724
5. Step 5: Solve for x
   x = 4,749,862,818,724/1,417,904
6. Step 6: Final answer
   x = 3,349,918.48