Finding the Third Proportional to 4,111.50 and 9,004.13

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.50 : 9,004.13 = 9,004.13 : x
2. Step 2: Convert to fraction form
   4,111.50/9,004.13 = 9,004.13/x
3. Step 3: Cross multiply
   4,111.50x = 9,004.13 × 9,004.13
4. Step 4: Simplify right side
   4,111.50x = 81,074,267.02
5. Step 5: Solve for x
   x = 81,074,267.02/4,111.50
6. Step 6: Final answer
   x = 19,718.90