Finding the Third Proportional to 6,929.88 and 13,221.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,929.88 : 13,221.88 = 13,221.88 : x
2. Step 2: Convert to fraction form
   6,929.88/13,221.88 = 13,221.88/x
3. Step 3: Cross multiply
   6,929.88x = 13,221.88 × 13,221.88
4. Step 4: Simplify right side
   6,929.88x = 174,817,978.52
5. Step 5: Solve for x
   x = 174,817,978.52/6,929.88
6. Step 6: Final answer
   x = 25,226.71