Finding the Third Proportional to 91,257 and 133,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,257 : 133,732.50 = 133,732.50 : x
2. Step 2: Convert to fraction form
   91,257/133,732.50 = 133,732.50/x
3. Step 3: Cross multiply
   91,257x = 133,732.50 × 133,732.50
4. Step 4: Simplify right side
   91,257x = 17,884,381,556.25
5. Step 5: Solve for x
   x = 17,884,381,556.25/91,257
6. Step 6: Final answer
   x = 195,978.19