Finding the Third Proportional to 7,972.88 and 16,810.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,972.88 : 16,810.31 = 16,810.31 : x
2. Step 2: Convert to fraction form
   7,972.88/16,810.31 = 16,810.31/x
3. Step 3: Cross multiply
   7,972.88x = 16,810.31 × 16,810.31
4. Step 4: Simplify right side
   7,972.88x = 282,586,606.35
5. Step 5: Solve for x
   x = 282,586,606.35/7,972.88
6. Step 6: Final answer
   x = 35,443.50