Finding the Third Proportional to 60,640 and 132,293

Step by Step Solution

1. Step 1: Write the proportion equation
   60,640 : 132,293 = 132,293 : x
2. Step 2: Convert to fraction form
   60,640/132,293 = 132,293/x
3. Step 3: Cross multiply
   60,640x = 132,293 × 132,293
4. Step 4: Simplify right side
   60,640x = 17,501,437,849
5. Step 5: Solve for x
   x = 17,501,437,849/60,640
6. Step 6: Final answer
   x = 288,612.10