Finding the Third Proportional to 315,525 and 675,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   315,525 : 675,382.50 = 675,382.50 : x
2. Step 2: Convert to fraction form
   315,525/675,382.50 = 675,382.50/x
3. Step 3: Cross multiply
   315,525x = 675,382.50 × 675,382.50
4. Step 4: Simplify right side
   315,525x = 456,141,521,306.25
5. Step 5: Solve for x
   x = 456,141,521,306.25/315,525
6. Step 6: Final answer
   x = 1,445,658.89