Finding the Third Proportional to 49,488 and 76,608

Step by Step Solution

1. Step 1: Write the proportion equation
   49,488 : 76,608 = 76,608 : x
2. Step 2: Convert to fraction form
   49,488/76,608 = 76,608/x
3. Step 3: Cross multiply
   49,488x = 76,608 × 76,608
4. Step 4: Simplify right side
   49,488x = 5,868,785,664
5. Step 5: Solve for x
   x = 5,868,785,664/49,488
6. Step 6: Final answer
   x = 118,590.08