Finding the Third Proportional to 1,691,646 and 3,719,766

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,646 : 3,719,766 = 3,719,766 : x
2. Step 2: Convert to fraction form
   1,691,646/3,719,766 = 3,719,766/x
3. Step 3: Cross multiply
   1,691,646x = 3,719,766 × 3,719,766
4. Step 4: Simplify right side
   1,691,646x = 13,836,659,094,756
5. Step 5: Solve for x
   x = 13,836,659,094,756/1,691,646
6. Step 6: Final answer
   x = 8,179,405.79