Finding the Third Proportional to 855,360 and 1,988,928

Step by Step Solution

1. Step 1: Write the proportion equation
   855,360 : 1,988,928 = 1,988,928 : x
2. Step 2: Convert to fraction form
   855,360/1,988,928 = 1,988,928/x
3. Step 3: Cross multiply
   855,360x = 1,988,928 × 1,988,928
4. Step 4: Simplify right side
   855,360x = 3,955,834,589,184
5. Step 5: Solve for x
   x = 3,955,834,589,184/855,360
6. Step 6: Final answer
   x = 4,624,759.85