Finding the Third Proportional to 10,054.13 and 13,069.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,054.13 : 13,069.69 = 13,069.69 : x
2. Step 2: Convert to fraction form
   10,054.13/13,069.69 = 13,069.69/x
3. Step 3: Cross multiply
   10,054.13x = 13,069.69 × 13,069.69
4. Step 4: Simplify right side
   10,054.13x = 170,816,731.35
5. Step 5: Solve for x
   x = 170,816,731.35/10,054.13
6. Step 6: Final answer
   x = 16,989.72