Finding the Third Proportional to 1,098,365 and 1,643,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,365 : 1,643,570 = 1,643,570 : x
2. Step 2: Convert to fraction form
   1,098,365/1,643,570 = 1,643,570/x
3. Step 3: Cross multiply
   1,098,365x = 1,643,570 × 1,643,570
4. Step 4: Simplify right side
   1,098,365x = 2,701,322,344,900
5. Step 5: Solve for x
   x = 2,701,322,344,900/1,098,365
6. Step 6: Final answer
   x = 2,459,403.15