Finding the Third Proportional to 85,288.50 and 133,794

Step by Step Solution

1. Step 1: Write the proportion equation
   85,288.50 : 133,794 = 133,794 : x
2. Step 2: Convert to fraction form
   85,288.50/133,794 = 133,794/x
3. Step 3: Cross multiply
   85,288.50x = 133,794 × 133,794
4. Step 4: Simplify right side
   85,288.50x = 17,900,834,436
5. Step 5: Solve for x
   x = 17,900,834,436/85,288.50
6. Step 6: Final answer
   x = 209,885.68