Finding the Third Proportional to 1,715,872 and 3,659,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715,872 : 3,659,738 = 3,659,738 : x
2. Step 2: Convert to fraction form
   1,715,872/3,659,738 = 3,659,738/x
3. Step 3: Cross multiply
   1,715,872x = 3,659,738 × 3,659,738
4. Step 4: Simplify right side
   1,715,872x = 13,393,682,228,644
5. Step 5: Solve for x
   x = 13,393,682,228,644/1,715,872
6. Step 6: Final answer
   x = 7,805,758.37