Finding the Third Proportional to 79,410.50 and 119,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,410.50 : 119,142.50 = 119,142.50 : x
2. Step 2: Convert to fraction form
   79,410.50/119,142.50 = 119,142.50/x
3. Step 3: Cross multiply
   79,410.50x = 119,142.50 × 119,142.50
4. Step 4: Simplify right side
   79,410.50x = 14,194,935,306.25
5. Step 5: Solve for x
   x = 14,194,935,306.25/79,410.50
6. Step 6: Final answer
   x = 178,753.88