Finding the Third Proportional to 111,111.75 and 146,711.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,111.75 : 146,711.25 = 146,711.25 : x
2. Step 2: Convert to fraction form
   111,111.75/146,711.25 = 146,711.25/x
3. Step 3: Cross multiply
   111,111.75x = 146,711.25 × 146,711.25
4. Step 4: Simplify right side
   111,111.75x = 21,524,190,876.56
5. Step 5: Solve for x
   x = 21,524,190,876.56/111,111.75
6. Step 6: Final answer
   x = 193,716.60