Finding the Third Proportional to 8,491.50 and 20,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,491.50 : 20,074.50 = 20,074.50 : x
2. Step 2: Convert to fraction form
   8,491.50/20,074.50 = 20,074.50/x
3. Step 3: Cross multiply
   8,491.50x = 20,074.50 × 20,074.50
4. Step 4: Simplify right side
   8,491.50x = 402,985,550.25
5. Step 5: Solve for x
   x = 402,985,550.25/8,491.50
6. Step 6: Final answer
   x = 47,457.52