Finding the Third Proportional to 72,801 and 113,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,801 : 113,089.50 = 113,089.50 : x
2. Step 2: Convert to fraction form
   72,801/113,089.50 = 113,089.50/x
3. Step 3: Cross multiply
   72,801x = 113,089.50 × 113,089.50
4. Step 4: Simplify right side
   72,801x = 12,789,235,010.25
5. Step 5: Solve for x
   x = 12,789,235,010.25/72,801
6. Step 6: Final answer
   x = 175,673.89