Finding the Third Proportional to 16,686 and 31,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,686 : 31,270.50 = 31,270.50 : x
2. Step 2: Convert to fraction form
   16,686/31,270.50 = 31,270.50/x
3. Step 3: Cross multiply
   16,686x = 31,270.50 × 31,270.50
4. Step 4: Simplify right side
   16,686x = 977,844,170.25
5. Step 5: Solve for x
   x = 977,844,170.25/16,686
6. Step 6: Final answer
   x = 58,602.67