Finding the Third Proportional to 133,809.50 and 197,018

Step by Step Solution

1. Step 1: Write the proportion equation
   133,809.50 : 197,018 = 197,018 : x
2. Step 2: Convert to fraction form
   133,809.50/197,018 = 197,018/x
3. Step 3: Cross multiply
   133,809.50x = 197,018 × 197,018
4. Step 4: Simplify right side
   133,809.50x = 38,816,092,324
5. Step 5: Solve for x
   x = 38,816,092,324/133,809.50
6. Step 6: Final answer
   x = 290,084.73