Finding the Third Proportional to 19,816.50 and 32,640.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,816.50 : 32,640.75 = 32,640.75 : x
2. Step 2: Convert to fraction form
   19,816.50/32,640.75 = 32,640.75/x
3. Step 3: Cross multiply
   19,816.50x = 32,640.75 × 32,640.75
4. Step 4: Simplify right side
   19,816.50x = 1,065,418,560.56
5. Step 5: Solve for x
   x = 1,065,418,560.56/19,816.50
6. Step 6: Final answer
   x = 53,764.21