Finding the Third Proportional to 173,610 and 262,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,610 : 262,591.50 = 262,591.50 : x
2. Step 2: Convert to fraction form
   173,610/262,591.50 = 262,591.50/x
3. Step 3: Cross multiply
   173,610x = 262,591.50 × 262,591.50
4. Step 4: Simplify right side
   173,610x = 68,954,295,872.25
5. Step 5: Solve for x
   x = 68,954,295,872.25/173,610
6. Step 6: Final answer
   x = 397,179.29