Finding the Third Proportional to 78,871.50 and 119,124

Step by Step Solution

1. Step 1: Write the proportion equation
   78,871.50 : 119,124 = 119,124 : x
2. Step 2: Convert to fraction form
   78,871.50/119,124 = 119,124/x
3. Step 3: Cross multiply
   78,871.50x = 119,124 × 119,124
4. Step 4: Simplify right side
   78,871.50x = 14,190,527,376
5. Step 5: Solve for x
   x = 14,190,527,376/78,871.50
6. Step 6: Final answer
   x = 179,919.58