Finding the Third Proportional to 1,720,806 and 2,673,249

Step by Step Solution

1. Step 1: Write the proportion equation
   1,720,806 : 2,673,249 = 2,673,249 : x
2. Step 2: Convert to fraction form
   1,720,806/2,673,249 = 2,673,249/x
3. Step 3: Cross multiply
   1,720,806x = 2,673,249 × 2,673,249
4. Step 4: Simplify right side
   1,720,806x = 7,146,260,216,001
5. Step 5: Solve for x
   x = 7,146,260,216,001/1,720,806
6. Step 6: Final answer
   x = 4,152,856.40