Finding the Third Proportional to 3,727.90 and 7,971.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.90 : 7,971.54 = 7,971.54 : x
2. Step 2: Convert to fraction form
   3,727.90/7,971.54 = 7,971.54/x
3. Step 3: Cross multiply
   3,727.90x = 7,971.54 × 7,971.54
4. Step 4: Simplify right side
   3,727.90x = 63,545,435.02
5. Step 5: Solve for x
   x = 63,545,435.02/3,727.90
6. Step 6: Final answer
   x = 17,045.91