Finding the Third Proportional to 173,155.50 and 276,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,155.50 : 276,622.50 = 276,622.50 : x
2. Step 2: Convert to fraction form
   173,155.50/276,622.50 = 276,622.50/x
3. Step 3: Cross multiply
   173,155.50x = 276,622.50 × 276,622.50
4. Step 4: Simplify right side
   173,155.50x = 76,520,007,506.25
5. Step 5: Solve for x
   x = 76,520,007,506.25/173,155.50
6. Step 6: Final answer
   x = 441,914.97