Finding the Third Proportional to 28,572 and 41,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,572 : 41,578.50 = 41,578.50 : x
2. Step 2: Convert to fraction form
   28,572/41,578.50 = 41,578.50/x
3. Step 3: Cross multiply
   28,572x = 41,578.50 × 41,578.50
4. Step 4: Simplify right side
   28,572x = 1,728,771,662.25
5. Step 5: Solve for x
   x = 1,728,771,662.25/28,572
6. Step 6: Final answer
   x = 60,505.80