Finding the Third Proportional to 109,717.50 and 236,085

Step by Step Solution

1. Step 1: Write the proportion equation
   109,717.50 : 236,085 = 236,085 : x
2. Step 2: Convert to fraction form
   109,717.50/236,085 = 236,085/x
3. Step 3: Cross multiply
   109,717.50x = 236,085 × 236,085
4. Step 4: Simplify right side
   109,717.50x = 55,736,127,225
5. Step 5: Solve for x
   x = 55,736,127,225/109,717.50
6. Step 6: Final answer
   x = 507,996.69