Finding the Third Proportional to 64,280 and 131,692

Step by Step Solution

1. Step 1: Write the proportion equation
   64,280 : 131,692 = 131,692 : x
2. Step 2: Convert to fraction form
   64,280/131,692 = 131,692/x
3. Step 3: Cross multiply
   64,280x = 131,692 × 131,692
4. Step 4: Simplify right side
   64,280x = 17,342,782,864
5. Step 5: Solve for x
   x = 17,342,782,864/64,280
6. Step 6: Final answer
   x = 269,800.60