Finding the Third Proportional to 49,682 and 74,990

Step by Step Solution

1. Step 1: Write the proportion equation
   49,682 : 74,990 = 74,990 : x
2. Step 2: Convert to fraction form
   49,682/74,990 = 74,990/x
3. Step 3: Cross multiply
   49,682x = 74,990 × 74,990
4. Step 4: Simplify right side
   49,682x = 5,623,500,100
5. Step 5: Solve for x
   x = 5,623,500,100/49,682
6. Step 6: Final answer
   x = 113,189.89