Finding the Third Proportional to 1,098,471 and 2,315,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,471 : 2,315,040 = 2,315,040 : x
2. Step 2: Convert to fraction form
   1,098,471/2,315,040 = 2,315,040/x
3. Step 3: Cross multiply
   1,098,471x = 2,315,040 × 2,315,040
4. Step 4: Simplify right side
   1,098,471x = 5,359,410,201,600
5. Step 5: Solve for x
   x = 5,359,410,201,600/1,098,471
6. Step 6: Final answer
   x = 4,878,972.86