Finding the Third Proportional to 67,952.50 and 138,160.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,952.50 : 138,160.50 = 138,160.50 : x
2. Step 2: Convert to fraction form
   67,952.50/138,160.50 = 138,160.50/x
3. Step 3: Cross multiply
   67,952.50x = 138,160.50 × 138,160.50
4. Step 4: Simplify right side
   67,952.50x = 19,088,323,760.25
5. Step 5: Solve for x
   x = 19,088,323,760.25/67,952.50
6. Step 6: Final answer
   x = 280,906.87