Finding the Third Proportional to 6,746.81 and 13,929.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,746.81 : 13,929.31 = 13,929.31 : x
2. Step 2: Convert to fraction form
   6,746.81/13,929.31 = 13,929.31/x
3. Step 3: Cross multiply
   6,746.81x = 13,929.31 × 13,929.31
4. Step 4: Simplify right side
   6,746.81x = 194,025,692.31
5. Step 5: Solve for x
   x = 194,025,692.31/6,746.81
6. Step 6: Final answer
   x = 28,758.14