Finding the Third Proportional to 71,808.50 and 113,653

Step by Step Solution

1. Step 1: Write the proportion equation
   71,808.50 : 113,653 = 113,653 : x
2. Step 2: Convert to fraction form
   71,808.50/113,653 = 113,653/x
3. Step 3: Cross multiply
   71,808.50x = 113,653 × 113,653
4. Step 4: Simplify right side
   71,808.50x = 12,917,004,409
5. Step 5: Solve for x
   x = 12,917,004,409/71,808.50
6. Step 6: Final answer
   x = 179,881.27