Finding the Third Proportional to 49,357.69 and 77,348.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,357.69 : 77,348.25 = 77,348.25 : x
2. Step 2: Convert to fraction form
   49,357.69/77,348.25 = 77,348.25/x
3. Step 3: Cross multiply
   49,357.69x = 77,348.25 × 77,348.25
4. Step 4: Simplify right side
   49,357.69x = 5,982,751,778.06
5. Step 5: Solve for x
   x = 5,982,751,778.06/49,357.69
6. Step 6: Final answer
   x = 121,212.16