Finding the Third Proportional to 75,667.50 and 111,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   75,667.50 : 111,307.50 = 111,307.50 : x
2. Step 2: Convert to fraction form
   75,667.50/111,307.50 = 111,307.50/x
3. Step 3: Cross multiply
   75,667.50x = 111,307.50 × 111,307.50
4. Step 4: Simplify right side
   75,667.50x = 12,389,359,556.25
5. Step 5: Solve for x
   x = 12,389,359,556.25/75,667.50
6. Step 6: Final answer
   x = 163,734.23