Finding the Third Proportional to 14,686 and 31,449.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,686 : 31,449.25 = 31,449.25 : x
2. Step 2: Convert to fraction form
   14,686/31,449.25 = 31,449.25/x
3. Step 3: Cross multiply
   14,686x = 31,449.25 × 31,449.25
4. Step 4: Simplify right side
   14,686x = 989,055,325.56
5. Step 5: Solve for x
   x = 989,055,325.56/14,686
6. Step 6: Final answer
   x = 67,346.82