Finding the Third Proportional to 76,747.50 and 162,756

Step by Step Solution

1. Step 1: Write the proportion equation
   76,747.50 : 162,756 = 162,756 : x
2. Step 2: Convert to fraction form
   76,747.50/162,756 = 162,756/x
3. Step 3: Cross multiply
   76,747.50x = 162,756 × 162,756
4. Step 4: Simplify right side
   76,747.50x = 26,489,515,536
5. Step 5: Solve for x
   x = 26,489,515,536/76,747.50
6. Step 6: Final answer
   x = 345,151.51