Finding the Third Proportional to 25,890.50 and 56,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,890.50 : 56,012.50 = 56,012.50 : x
2. Step 2: Convert to fraction form
   25,890.50/56,012.50 = 56,012.50/x
3. Step 3: Cross multiply
   25,890.50x = 56,012.50 × 56,012.50
4. Step 4: Simplify right side
   25,890.50x = 3,137,400,156.25
5. Step 5: Solve for x
   x = 3,137,400,156.25/25,890.50
6. Step 6: Final answer
   x = 121,179.59