Finding the Third Proportional to 1,661,580 and 2,489,598

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661,580 : 2,489,598 = 2,489,598 : x
2. Step 2: Convert to fraction form
   1,661,580/2,489,598 = 2,489,598/x
3. Step 3: Cross multiply
   1,661,580x = 2,489,598 × 2,489,598
4. Step 4: Simplify right side
   1,661,580x = 6,198,098,201,604
5. Step 5: Solve for x
   x = 6,198,098,201,604/1,661,580
6. Step 6: Final answer
   x = 3,730,243.62