Finding the Third Proportional to 4,210.31 and 7,016.91

Step by Step Solution

1. Step 1: Write the proportion equation
   4,210.31 : 7,016.91 = 7,016.91 : x
2. Step 2: Convert to fraction form
   4,210.31/7,016.91 = 7,016.91/x
3. Step 3: Cross multiply
   4,210.31x = 7,016.91 × 7,016.91
4. Step 4: Simplify right side
   4,210.31x = 49,236,973.32
5. Step 5: Solve for x
   x = 49,236,973.32/4,210.31
6. Step 6: Final answer
   x = 11,694.38