Finding the Third Proportional to 19,489.50 and 28,505.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,489.50 : 28,505.25 = 28,505.25 : x
2. Step 2: Convert to fraction form
   19,489.50/28,505.25 = 28,505.25/x
3. Step 3: Cross multiply
   19,489.50x = 28,505.25 × 28,505.25
4. Step 4: Simplify right side
   19,489.50x = 812,549,277.56
5. Step 5: Solve for x
   x = 812,549,277.56/19,489.50
6. Step 6: Final answer
   x = 41,691.64