Finding the Third Proportional to 1,691,676 and 3,719,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,676 : 3,719,820 = 3,719,820 : x
2. Step 2: Convert to fraction form
   1,691,676/3,719,820 = 3,719,820/x
3. Step 3: Cross multiply
   1,691,676x = 3,719,820 × 3,719,820
4. Step 4: Simplify right side
   1,691,676x = 13,837,060,832,400
5. Step 5: Solve for x
   x = 13,837,060,832,400/1,691,676
6. Step 6: Final answer
   x = 8,179,498.22