Finding the Third Proportional to 1,388.92 and 3,051.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388.92 : 3,051.42 = 3,051.42 : x
2. Step 2: Convert to fraction form
   1,388.92/3,051.42 = 3,051.42/x
3. Step 3: Cross multiply
   1,388.92x = 3,051.42 × 3,051.42
4. Step 4: Simplify right side
   1,388.92x = 9,311,175.46
5. Step 5: Solve for x
   x = 9,311,175.46/1,388.92
6. Step 6: Final answer
   x = 6,703.91