Finding the Third Proportional to 173,628 and 368,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,628 : 368,581.50 = 368,581.50 : x
2. Step 2: Convert to fraction form
   173,628/368,581.50 = 368,581.50/x
3. Step 3: Cross multiply
   173,628x = 368,581.50 × 368,581.50
4. Step 4: Simplify right side
   173,628x = 135,852,322,142.25
5. Step 5: Solve for x
   x = 135,852,322,142.25/173,628
6. Step 6: Final answer
   x = 782,433.26