Finding the Third Proportional to 71,910.28 and 156,942.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,910.28 : 156,942.56 = 156,942.56 : x
2. Step 2: Convert to fraction form
   71,910.28/156,942.56 = 156,942.56/x
3. Step 3: Cross multiply
   71,910.28x = 156,942.56 × 156,942.56
4. Step 4: Simplify right side
   71,910.28x = 24,630,967,924.07
5. Step 5: Solve for x
   x = 24,630,967,924.07/71,910.28
6. Step 6: Final answer
   x = 342,523.59