Finding the Third Proportional to 72,441.75 and 156,942.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,441.75 : 156,942.38 = 156,942.38 : x
2. Step 2: Convert to fraction form
   72,441.75/156,942.38 = 156,942.38/x
3. Step 3: Cross multiply
   72,441.75x = 156,942.38 × 156,942.38
4. Step 4: Simplify right side
   72,441.75x = 24,630,909,070.64
5. Step 5: Solve for x
   x = 24,630,909,070.64/72,441.75
6. Step 6: Final answer
   x = 340,009.86