Finding the Third Proportional to 1,098,603 and 1,646,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,603 : 1,646,820 = 1,646,820 : x
2. Step 2: Convert to fraction form
   1,098,603/1,646,820 = 1,646,820/x
3. Step 3: Cross multiply
   1,098,603x = 1,646,820 × 1,646,820
4. Step 4: Simplify right side
   1,098,603x = 2,712,016,112,400
5. Step 5: Solve for x
   x = 2,712,016,112,400/1,098,603
6. Step 6: Final answer
   x = 2,468,604.32