Finding the Third Proportional to 11,422.69 and 13,964.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,422.69 : 13,964.06 = 13,964.06 : x
2. Step 2: Convert to fraction form
   11,422.69/13,964.06 = 13,964.06/x
3. Step 3: Cross multiply
   11,422.69x = 13,964.06 × 13,964.06
4. Step 4: Simplify right side
   11,422.69x = 194,995,041.50
5. Step 5: Solve for x
   x = 194,995,041.50/11,422.69
6. Step 6: Final answer
   x = 17,070.85