Finding the Third Proportional to 116,992.50 and 239,529

Step by Step Solution

1. Step 1: Write the proportion equation
   116,992.50 : 239,529 = 239,529 : x
2. Step 2: Convert to fraction form
   116,992.50/239,529 = 239,529/x
3. Step 3: Cross multiply
   116,992.50x = 239,529 × 239,529
4. Step 4: Simplify right side
   116,992.50x = 57,374,141,841
5. Step 5: Solve for x
   x = 57,374,141,841/116,992.50
6. Step 6: Final answer
   x = 490,408.72