Finding the Third Proportional to 7,438.69 and 10,200.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,438.69 : 10,200.19 = 10,200.19 : x
2. Step 2: Convert to fraction form
   7,438.69/10,200.19 = 10,200.19/x
3. Step 3: Cross multiply
   7,438.69x = 10,200.19 × 10,200.19
4. Step 4: Simplify right side
   7,438.69x = 104,043,825.04
5. Step 5: Solve for x
   x = 104,043,825.04/7,438.69
6. Step 6: Final answer
   x = 13,986.85