Finding the Third Proportional to 7,069.78 and 13,959.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,069.78 : 13,959.84 = 13,959.84 : x
2. Step 2: Convert to fraction form
   7,069.78/13,959.84 = 13,959.84/x
3. Step 3: Cross multiply
   7,069.78x = 13,959.84 × 13,959.84
4. Step 4: Simplify right side
   7,069.78x = 194,877,237.52
5. Step 5: Solve for x
   x = 194,877,237.52/7,069.78
6. Step 6: Final answer
   x = 27,564.82