Finding the Third Proportional to 19,440.50 and 42,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,440.50 : 42,575.50 = 42,575.50 : x
2. Step 2: Convert to fraction form
   19,440.50/42,575.50 = 42,575.50/x
3. Step 3: Cross multiply
   19,440.50x = 42,575.50 × 42,575.50
4. Step 4: Simplify right side
   19,440.50x = 1,812,673,200.25
5. Step 5: Solve for x
   x = 1,812,673,200.25/19,440.50
6. Step 6: Final answer
   x = 93,242.11