Finding the Third Proportional to 79,039.50 and 120,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,039.50 : 120,529.50 = 120,529.50 : x
2. Step 2: Convert to fraction form
   79,039.50/120,529.50 = 120,529.50/x
3. Step 3: Cross multiply
   79,039.50x = 120,529.50 × 120,529.50
4. Step 4: Simplify right side
   79,039.50x = 14,527,360,370.25
5. Step 5: Solve for x
   x = 14,527,360,370.25/79,039.50
6. Step 6: Final answer
   x = 183,798.74