Finding the Third Proportional to 156,776 and 336,016

Step by Step Solution

1. Step 1: Write the proportion equation
   156,776 : 336,016 = 336,016 : x
2. Step 2: Convert to fraction form
   156,776/336,016 = 336,016/x
3. Step 3: Cross multiply
   156,776x = 336,016 × 336,016
4. Step 4: Simplify right side
   156,776x = 112,906,752,256
5. Step 5: Solve for x
   x = 112,906,752,256/156,776
6. Step 6: Final answer
   x = 720,178.80