Finding the Third Proportional to 19,651.50 and 38,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,651.50 : 38,317.50 = 38,317.50 : x
2. Step 2: Convert to fraction form
   19,651.50/38,317.50 = 38,317.50/x
3. Step 3: Cross multiply
   19,651.50x = 38,317.50 × 38,317.50
4. Step 4: Simplify right side
   19,651.50x = 1,468,230,806.25
5. Step 5: Solve for x
   x = 1,468,230,806.25/19,651.50
6. Step 6: Final answer
   x = 74,713.42