Finding the Third Proportional to 147,138 and 233,145

Step by Step Solution

1. Step 1: Write the proportion equation
   147,138 : 233,145 = 233,145 : x
2. Step 2: Convert to fraction form
   147,138/233,145 = 233,145/x
3. Step 3: Cross multiply
   147,138x = 233,145 × 233,145
4. Step 4: Simplify right side
   147,138x = 54,356,591,025
5. Step 5: Solve for x
   x = 54,356,591,025/147,138
6. Step 6: Final answer
   x = 369,425.92