Finding the Third Proportional to 1,376,366 and 3,238,289

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376,366 : 3,238,289 = 3,238,289 : x
2. Step 2: Convert to fraction form
   1,376,366/3,238,289 = 3,238,289/x
3. Step 3: Cross multiply
   1,376,366x = 3,238,289 × 3,238,289
4. Step 4: Simplify right side
   1,376,366x = 10,486,515,647,521
5. Step 5: Solve for x
   x = 10,486,515,647,521/1,376,366
6. Step 6: Final answer
   x = 7,618,987.72