Finding the Third Proportional to 25,905 and 56,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,905 : 56,422.50 = 56,422.50 : x
2. Step 2: Convert to fraction form
   25,905/56,422.50 = 56,422.50/x
3. Step 3: Cross multiply
   25,905x = 56,422.50 × 56,422.50
4. Step 4: Simplify right side
   25,905x = 3,183,498,506.25
5. Step 5: Solve for x
   x = 3,183,498,506.25/25,905
6. Step 6: Final answer
   x = 122,891.28