Finding the Third Proportional to 72,224 and 156,544

Step by Step Solution

1. Step 1: Write the proportion equation
   72,224 : 156,544 = 156,544 : x
2. Step 2: Convert to fraction form
   72,224/156,544 = 156,544/x
3. Step 3: Cross multiply
   72,224x = 156,544 × 156,544
4. Step 4: Simplify right side
   72,224x = 24,506,023,936
5. Step 5: Solve for x
   x = 24,506,023,936/72,224
6. Step 6: Final answer
   x = 339,305.83