Finding the Third Proportional to 1,096,580 and 1,720,605

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,580 : 1,720,605 = 1,720,605 : x
2. Step 2: Convert to fraction form
   1,096,580/1,720,605 = 1,720,605/x
3. Step 3: Cross multiply
   1,096,580x = 1,720,605 × 1,720,605
4. Step 4: Simplify right side
   1,096,580x = 2,960,481,566,025
5. Step 5: Solve for x
   x = 2,960,481,566,025/1,096,580
6. Step 6: Final answer
   x = 2,699,740.62