Finding the Third Proportional to 49,642.88 and 76,919.63

Step by Step Solution

1. Step 1: Write the proportion equation
   49,642.88 : 76,919.63 = 76,919.63 : x
2. Step 2: Convert to fraction form
   49,642.88/76,919.63 = 76,919.63/x
3. Step 3: Cross multiply
   49,642.88x = 76,919.63 × 76,919.63
4. Step 4: Simplify right side
   49,642.88x = 5,916,628,710.14
5. Step 5: Solve for x
   x = 5,916,628,710.14/49,642.88
6. Step 6: Final answer
   x = 119,183.84