Finding the Third Proportional to 25,807.50 and 28,237.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,807.50 : 28,237.50 = 28,237.50 : x
2. Step 2: Convert to fraction form
   25,807.50/28,237.50 = 28,237.50/x
3. Step 3: Cross multiply
   25,807.50x = 28,237.50 × 28,237.50
4. Step 4: Simplify right side
   25,807.50x = 797,356,406.25
5. Step 5: Solve for x
   x = 797,356,406.25/25,807.50
6. Step 6: Final answer
   x = 30,896.31