Finding the Third Proportional to 25,810 and 54,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,810 : 54,721.50 = 54,721.50 : x
2. Step 2: Convert to fraction form
   25,810/54,721.50 = 54,721.50/x
3. Step 3: Cross multiply
   25,810x = 54,721.50 × 54,721.50
4. Step 4: Simplify right side
   25,810x = 2,994,442,562.25
5. Step 5: Solve for x
   x = 2,994,442,562.25/25,810
6. Step 6: Final answer
   x = 116,018.70