Finding the Third Proportional to 63,909 and 132,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,909 : 132,961.50 = 132,961.50 : x
2. Step 2: Convert to fraction form
   63,909/132,961.50 = 132,961.50/x
3. Step 3: Cross multiply
   63,909x = 132,961.50 × 132,961.50
4. Step 4: Simplify right side
   63,909x = 17,678,760,482.25
5. Step 5: Solve for x
   x = 17,678,760,482.25/63,909
6. Step 6: Final answer
   x = 276,623.96