Finding the Third Proportional to 156,728 and 236,550

Step by Step Solution

1. Step 1: Write the proportion equation
   156,728 : 236,550 = 236,550 : x
2. Step 2: Convert to fraction form
   156,728/236,550 = 236,550/x
3. Step 3: Cross multiply
   156,728x = 236,550 × 236,550
4. Step 4: Simplify right side
   156,728x = 55,955,902,500
5. Step 5: Solve for x
   x = 55,955,902,500/156,728
6. Step 6: Final answer
   x = 357,025.56