Finding the Third Proportional to 25,939.50 and 56,590.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,939.50 : 56,590.50 = 56,590.50 : x
2. Step 2: Convert to fraction form
   25,939.50/56,590.50 = 56,590.50/x
3. Step 3: Cross multiply
   25,939.50x = 56,590.50 × 56,590.50
4. Step 4: Simplify right side
   25,939.50x = 3,202,484,690.25
5. Step 5: Solve for x
   x = 3,202,484,690.25/25,939.50
6. Step 6: Final answer
   x = 123,459.77