Finding the Third Proportional to 71,940 and 156,168

Step by Step Solution

1. Step 1: Write the proportion equation
   71,940 : 156,168 = 156,168 : x
2. Step 2: Convert to fraction form
   71,940/156,168 = 156,168/x
3. Step 3: Cross multiply
   71,940x = 156,168 × 156,168
4. Step 4: Simplify right side
   71,940x = 24,388,444,224
5. Step 5: Solve for x
   x = 24,388,444,224/71,940
6. Step 6: Final answer
   x = 339,010.90