Finding the Third Proportional to 30,889.50 and 62,874

Step by Step Solution

1. Step 1: Write the proportion equation
   30,889.50 : 62,874 = 62,874 : x
2. Step 2: Convert to fraction form
   30,889.50/62,874 = 62,874/x
3. Step 3: Cross multiply
   30,889.50x = 62,874 × 62,874
4. Step 4: Simplify right side
   30,889.50x = 3,953,139,876
5. Step 5: Solve for x
   x = 3,953,139,876/30,889.50
6. Step 6: Final answer
   x = 127,976.82