Finding the Third Proportional to 227,150 and 356,380

Step by Step Solution

1. Step 1: Write the proportion equation
   227,150 : 356,380 = 356,380 : x
2. Step 2: Convert to fraction form
   227,150/356,380 = 356,380/x
3. Step 3: Cross multiply
   227,150x = 356,380 × 356,380
4. Step 4: Simplify right side
   227,150x = 127,006,704,400
5. Step 5: Solve for x
   x = 127,006,704,400/227,150
6. Step 6: Final answer
   x = 559,131.43