Finding the Third Proportional to 19,309.50 and 42,267

Step by Step Solution

1. Step 1: Write the proportion equation
   19,309.50 : 42,267 = 42,267 : x
2. Step 2: Convert to fraction form
   19,309.50/42,267 = 42,267/x
3. Step 3: Cross multiply
   19,309.50x = 42,267 × 42,267
4. Step 4: Simplify right side
   19,309.50x = 1,786,499,289
5. Step 5: Solve for x
   x = 1,786,499,289/19,309.50
6. Step 6: Final answer
   x = 92,519.19