Finding the Third Proportional to 1,631,344 and 3,557,600

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,344 : 3,557,600 = 3,557,600 : x
2. Step 2: Convert to fraction form
   1,631,344/3,557,600 = 3,557,600/x
3. Step 3: Cross multiply
   1,631,344x = 3,557,600 × 3,557,600
4. Step 4: Simplify right side
   1,631,344x = 12,656,517,760,000
5. Step 5: Solve for x
   x = 12,656,517,760,000/1,631,344
6. Step 6: Final answer
   x = 7,758,337.76