Finding the Third Proportional to 9,429.75 and 13,402.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.75 : 13,402.13 = 13,402.13 : x
2. Step 2: Convert to fraction form
   9,429.75/13,402.13 = 13,402.13/x
3. Step 3: Cross multiply
   9,429.75x = 13,402.13 × 13,402.13
4. Step 4: Simplify right side
   9,429.75x = 179,616,954.52
5. Step 5: Solve for x
   x = 179,616,954.52/9,429.75
6. Step 6: Final answer
   x = 19,047.90