Finding the Third Proportional to 1,691,658 and 3,719,787

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,658 : 3,719,787 = 3,719,787 : x
2. Step 2: Convert to fraction form
   1,691,658/3,719,787 = 3,719,787/x
3. Step 3: Cross multiply
   1,691,658x = 3,719,787 × 3,719,787
4. Step 4: Simplify right side
   1,691,658x = 13,836,815,325,369
5. Step 5: Solve for x
   x = 13,836,815,325,369/1,691,658
6. Step 6: Final answer
   x = 8,179,440.13