Finding the Third Proportional to 49,086 and 76,788

Step by Step Solution

1. Step 1: Write the proportion equation
   49,086 : 76,788 = 76,788 : x
2. Step 2: Convert to fraction form
   49,086/76,788 = 76,788/x
3. Step 3: Cross multiply
   49,086x = 76,788 × 76,788
4. Step 4: Simplify right side
   49,086x = 5,896,396,944
5. Step 5: Solve for x
   x = 5,896,396,944/49,086
6. Step 6: Final answer
   x = 120,123.80