Finding the Third Proportional to 64,285.50 and 131,703

Step by Step Solution

1. Step 1: Write the proportion equation
   64,285.50 : 131,703 = 131,703 : x
2. Step 2: Convert to fraction form
   64,285.50/131,703 = 131,703/x
3. Step 3: Cross multiply
   64,285.50x = 131,703 × 131,703
4. Step 4: Simplify right side
   64,285.50x = 17,345,680,209
5. Step 5: Solve for x
   x = 17,345,680,209/64,285.50
6. Step 6: Final answer
   x = 269,822.59