Finding the Third Proportional to 1,686,788.25 and 3,673,074

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,788.25 : 3,673,074 = 3,673,074 : x
2. Step 2: Convert to fraction form
   1,686,788.25/3,673,074 = 3,673,074/x
3. Step 3: Cross multiply
   1,686,788.25x = 3,673,074 × 3,673,074
4. Step 4: Simplify right side
   1,686,788.25x = 13,491,472,609,476
5. Step 5: Solve for x
   x = 13,491,472,609,476/1,686,788.25
6. Step 6: Final answer
   x = 7,998,320.25