Finding the Third Proportional to 49,909 and 76,928

Step by Step Solution

1. Step 1: Write the proportion equation
   49,909 : 76,928 = 76,928 : x
2. Step 2: Convert to fraction form
   49,909/76,928 = 76,928/x
3. Step 3: Cross multiply
   49,909x = 76,928 × 76,928
4. Step 4: Simplify right side
   49,909x = 5,917,917,184
5. Step 5: Solve for x
   x = 5,917,917,184/49,909
6. Step 6: Final answer
   x = 118,574.15