Finding the Third Proportional to 1,720,118 and 2,580,825

Step by Step Solution

1. Step 1: Write the proportion equation
   1,720,118 : 2,580,825 = 2,580,825 : x
2. Step 2: Convert to fraction form
   1,720,118/2,580,825 = 2,580,825/x
3. Step 3: Cross multiply
   1,720,118x = 2,580,825 × 2,580,825
4. Step 4: Simplify right side
   1,720,118x = 6,660,657,680,625
5. Step 5: Solve for x
   x = 6,660,657,680,625/1,720,118
6. Step 6: Final answer
   x = 3,872,209.74