Finding the Third Proportional to 129,868.69 and 194,280.38

Step by Step Solution

1. Step 1: Write the proportion equation
   129,868.69 : 194,280.38 = 194,280.38 : x
2. Step 2: Convert to fraction form
   129,868.69/194,280.38 = 194,280.38/x
3. Step 3: Cross multiply
   129,868.69x = 194,280.38 × 194,280.38
4. Step 4: Simplify right side
   129,868.69x = 37,744,864,110.14
5. Step 5: Solve for x
   x = 37,744,864,110.14/129,868.69
6. Step 6: Final answer
   x = 290,638.68