Finding the Third Proportional to 3,521.25 and 7,670.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.25 : 7,670.25 = 7,670.25 : x
2. Step 2: Convert to fraction form
   3,521.25/7,670.25 = 7,670.25/x
3. Step 3: Cross multiply
   3,521.25x = 7,670.25 × 7,670.25
4. Step 4: Simplify right side
   3,521.25x = 58,832,735.06
5. Step 5: Solve for x
   x = 58,832,735.06/3,521.25
6. Step 6: Final answer
   x = 16,707.91