Finding the Third Proportional to 156,012 and 242,016

Step by Step Solution

1. Step 1: Write the proportion equation
   156,012 : 242,016 = 242,016 : x
2. Step 2: Convert to fraction form
   156,012/242,016 = 242,016/x
3. Step 3: Cross multiply
   156,012x = 242,016 × 242,016
4. Step 4: Simplify right side
   156,012x = 58,571,744,256
5. Step 5: Solve for x
   x = 58,571,744,256/156,012
6. Step 6: Final answer
   x = 375,431.02