Finding the Third Proportional to 57,709.50 and 87,333

Step by Step Solution

1. Step 1: Write the proportion equation
   57,709.50 : 87,333 = 87,333 : x
2. Step 2: Convert to fraction form
   57,709.50/87,333 = 87,333/x
3. Step 3: Cross multiply
   57,709.50x = 87,333 × 87,333
4. Step 4: Simplify right side
   57,709.50x = 7,627,052,889
5. Step 5: Solve for x
   x = 7,627,052,889/57,709.50
6. Step 6: Final answer
   x = 132,162.87