Finding the Third Proportional to 88,738 and 133,147

Step by Step Solution

1. Step 1: Write the proportion equation
   88,738 : 133,147 = 133,147 : x
2. Step 2: Convert to fraction form
   88,738/133,147 = 133,147/x
3. Step 3: Cross multiply
   88,738x = 133,147 × 133,147
4. Step 4: Simplify right side
   88,738x = 17,728,123,609
5. Step 5: Solve for x
   x = 17,728,123,609/88,738
6. Step 6: Final answer
   x = 199,780.52