Finding the Third Proportional to 67,852.50 and 137,529

Step by Step Solution

1. Step 1: Write the proportion equation
   67,852.50 : 137,529 = 137,529 : x
2. Step 2: Convert to fraction form
   67,852.50/137,529 = 137,529/x
3. Step 3: Cross multiply
   67,852.50x = 137,529 × 137,529
4. Step 4: Simplify right side
   67,852.50x = 18,914,225,841
5. Step 5: Solve for x
   x = 18,914,225,841/67,852.50
6. Step 6: Final answer
   x = 278,755.03