Finding the Third Proportional to 19,120.50 and 40,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,120.50 : 40,522.50 = 40,522.50 : x
2. Step 2: Convert to fraction form
   19,120.50/40,522.50 = 40,522.50/x
3. Step 3: Cross multiply
   19,120.50x = 40,522.50 × 40,522.50
4. Step 4: Simplify right side
   19,120.50x = 1,642,073,006.25
5. Step 5: Solve for x
   x = 1,642,073,006.25/19,120.50
6. Step 6: Final answer
   x = 85,880.23