Finding the Third Proportional to 50,806.50 and 77,187

Step by Step Solution

1. Step 1: Write the proportion equation
   50,806.50 : 77,187 = 77,187 : x
2. Step 2: Convert to fraction form
   50,806.50/77,187 = 77,187/x
3. Step 3: Cross multiply
   50,806.50x = 77,187 × 77,187
4. Step 4: Simplify right side
   50,806.50x = 5,957,832,969
5. Step 5: Solve for x
   x = 5,957,832,969/50,806.50
6. Step 6: Final answer
   x = 117,265.17