Finding the Third Proportional to 1,417,916 and 2,179,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,916 : 2,179,436 = 2,179,436 : x
2. Step 2: Convert to fraction form
   1,417,916/2,179,436 = 2,179,436/x
3. Step 3: Cross multiply
   1,417,916x = 2,179,436 × 2,179,436
4. Step 4: Simplify right side
   1,417,916x = 4,749,941,278,096
5. Step 5: Solve for x
   x = 4,749,941,278,096/1,417,916
6. Step 6: Final answer
   x = 3,349,945.47