Finding the Third Proportional to 19,491 and 28,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,491 : 28,507.50 = 28,507.50 : x
2. Step 2: Convert to fraction form
   19,491/28,507.50 = 28,507.50/x
3. Step 3: Cross multiply
   19,491x = 28,507.50 × 28,507.50
4. Step 4: Simplify right side
   19,491x = 812,677,556.25
5. Step 5: Solve for x
   x = 812,677,556.25/19,491
6. Step 6: Final answer
   x = 41,695.02