Finding the Third Proportional to 19,968.75 and 31,309.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,968.75 : 31,309.88 = 31,309.88 : x
2. Step 2: Convert to fraction form
   19,968.75/31,309.88 = 31,309.88/x
3. Step 3: Cross multiply
   19,968.75x = 31,309.88 × 31,309.88
4. Step 4: Simplify right side
   19,968.75x = 980,308,272.52
5. Step 5: Solve for x
   x = 980,308,272.52/19,968.75
6. Step 6: Final answer
   x = 49,092.12