Finding the Third Proportional to 1,417,877 and 2,179,379

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,877 : 2,179,379 = 2,179,379 : x
2. Step 2: Convert to fraction form
   1,417,877/2,179,379 = 2,179,379/x
3. Step 3: Cross multiply
   1,417,877x = 2,179,379 × 2,179,379
4. Step 4: Simplify right side
   1,417,877x = 4,749,692,825,641
5. Step 5: Solve for x
   x = 4,749,692,825,641/1,417,877
6. Step 6: Final answer
   x = 3,349,862.38