Finding the Third Proportional to 61,372.69 and 133,680.38

Step by Step Solution

1. Step 1: Write the proportion equation
   61,372.69 : 133,680.38 = 133,680.38 : x
2. Step 2: Convert to fraction form
   61,372.69/133,680.38 = 133,680.38/x
3. Step 3: Cross multiply
   61,372.69x = 133,680.38 × 133,680.38
4. Step 4: Simplify right side
   61,372.69x = 17,870,442,660.14
5. Step 5: Solve for x
   x = 17,870,442,660.14/61,372.69
6. Step 6: Final answer
   x = 291,179.08