Finding the Third Proportional to 60,688 and 133,039

Step by Step Solution

1. Step 1: Write the proportion equation
   60,688 : 133,039 = 133,039 : x
2. Step 2: Convert to fraction form
   60,688/133,039 = 133,039/x
3. Step 3: Cross multiply
   60,688x = 133,039 × 133,039
4. Step 4: Simplify right side
   60,688x = 17,699,375,521
5. Step 5: Solve for x
   x = 17,699,375,521/60,688
6. Step 6: Final answer
   x = 291,645.39