Finding the Third Proportional to 33,991.50 and 51,150

Step by Step Solution

1. Step 1: Write the proportion equation
   33,991.50 : 51,150 = 51,150 : x
2. Step 2: Convert to fraction form
   33,991.50/51,150 = 51,150/x
3. Step 3: Cross multiply
   33,991.50x = 51,150 × 51,150
4. Step 4: Simplify right side
   33,991.50x = 2,616,322,500
5. Step 5: Solve for x
   x = 2,616,322,500/33,991.50
6. Step 6: Final answer
   x = 76,969.90