Finding the Third Proportional to 10,342.69 and 13,904.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,342.69 : 13,904.16 = 13,904.16 : x
2. Step 2: Convert to fraction form
   10,342.69/13,904.16 = 13,904.16/x
3. Step 3: Cross multiply
   10,342.69x = 13,904.16 × 13,904.16
4. Step 4: Simplify right side
   10,342.69x = 193,325,561.02
5. Step 5: Solve for x
   x = 193,325,561.02/10,342.69
6. Step 6: Final answer
   x = 18,692.00