Finding the Third Proportional to 1,691,636 and 2,591,034

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,636 : 2,591,034 = 2,591,034 : x
2. Step 2: Convert to fraction form
   1,691,636/2,591,034 = 2,591,034/x
3. Step 3: Cross multiply
   1,691,636x = 2,591,034 × 2,591,034
4. Step 4: Simplify right side
   1,691,636x = 6,713,457,189,156
5. Step 5: Solve for x
   x = 6,713,457,189,156/1,691,636
6. Step 6: Final answer
   x = 3,968,618.07