Finding the Third Proportional to 25,899 and 56,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,899 : 56,719.50 = 56,719.50 : x
2. Step 2: Convert to fraction form
   25,899/56,719.50 = 56,719.50/x
3. Step 3: Cross multiply
   25,899x = 56,719.50 × 56,719.50
4. Step 4: Simplify right side
   25,899x = 3,217,101,680.25
5. Step 5: Solve for x
   x = 3,217,101,680.25/25,899
6. Step 6: Final answer
   x = 124,217.22