Finding the Third Proportional to 25,812 and 55,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,812 : 55,957.50 = 55,957.50 : x
2. Step 2: Convert to fraction form
   25,812/55,957.50 = 55,957.50/x
3. Step 3: Cross multiply
   25,812x = 55,957.50 × 55,957.50
4. Step 4: Simplify right side
   25,812x = 3,131,241,806.25
5. Step 5: Solve for x
   x = 3,131,241,806.25/25,812
6. Step 6: Final answer
   x = 121,309.54