Finding the Third Proportional to 54,312 and 113,591.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,312 : 113,591.25 = 113,591.25 : x
2. Step 2: Convert to fraction form
   54,312/113,591.25 = 113,591.25/x
3. Step 3: Cross multiply
   54,312x = 113,591.25 × 113,591.25
4. Step 4: Simplify right side
   54,312x = 12,902,972,076.56
5. Step 5: Solve for x
   x = 12,902,972,076.56/54,312
6. Step 6: Final answer
   x = 237,571.29