Finding the Third Proportional to 49,287 and 69,740

Step by Step Solution

1. Step 1: Write the proportion equation
   49,287 : 69,740 = 69,740 : x
2. Step 2: Convert to fraction form
   49,287/69,740 = 69,740/x
3. Step 3: Cross multiply
   49,287x = 69,740 × 69,740
4. Step 4: Simplify right side
   49,287x = 4,863,667,600
5. Step 5: Solve for x
   x = 4,863,667,600/49,287
6. Step 6: Final answer
   x = 98,680.54