Finding the Third Proportional to 71,156 and 151,072

Step by Step Solution

1. Step 1: Write the proportion equation
   71,156 : 151,072 = 151,072 : x
2. Step 2: Convert to fraction form
   71,156/151,072 = 151,072/x
3. Step 3: Cross multiply
   71,156x = 151,072 × 151,072
4. Step 4: Simplify right side
   71,156x = 22,822,749,184
5. Step 5: Solve for x
   x = 22,822,749,184/71,156
6. Step 6: Final answer
   x = 320,742.44