Finding the Third Proportional to 72,984.50 and 109,800.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,984.50 : 109,800.75 = 109,800.75 : x
2. Step 2: Convert to fraction form
   72,984.50/109,800.75 = 109,800.75/x
3. Step 3: Cross multiply
   72,984.50x = 109,800.75 × 109,800.75
4. Step 4: Simplify right side
   72,984.50x = 12,056,204,700.56
5. Step 5: Solve for x
   x = 12,056,204,700.56/72,984.50
6. Step 6: Final answer
   x = 165,188.56