Finding the Third Proportional to 1,720,635 and 2,662,965

Step by Step Solution

1. Step 1: Write the proportion equation
   1,720,635 : 2,662,965 = 2,662,965 : x
2. Step 2: Convert to fraction form
   1,720,635/2,662,965 = 2,662,965/x
3. Step 3: Cross multiply
   1,720,635x = 2,662,965 × 2,662,965
4. Step 4: Simplify right side
   1,720,635x = 7,091,382,591,225
5. Step 5: Solve for x
   x = 7,091,382,591,225/1,720,635
6. Step 6: Final answer
   x = 4,121,375.30