Finding the Third Proportional to 19,669.50 and 31,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,669.50 : 31,162.50 = 31,162.50 : x
2. Step 2: Convert to fraction form
   19,669.50/31,162.50 = 31,162.50/x
3. Step 3: Cross multiply
   19,669.50x = 31,162.50 × 31,162.50
4. Step 4: Simplify right side
   19,669.50x = 971,101,406.25
5. Step 5: Solve for x
   x = 971,101,406.25/19,669.50
6. Step 6: Final answer
   x = 49,370.92