Finding the Third Proportional to 19,005.50 and 40,472

Step by Step Solution

1. Step 1: Write the proportion equation
   19,005.50 : 40,472 = 40,472 : x
2. Step 2: Convert to fraction form
   19,005.50/40,472 = 40,472/x
3. Step 3: Cross multiply
   19,005.50x = 40,472 × 40,472
4. Step 4: Simplify right side
   19,005.50x = 1,637,982,784
5. Step 5: Solve for x
   x = 1,637,982,784/19,005.50
6. Step 6: Final answer
   x = 86,184.67