Finding the Third Proportional to 173,878 and 366,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,878 : 366,436.50 = 366,436.50 : x
2. Step 2: Convert to fraction form
   173,878/366,436.50 = 366,436.50/x
3. Step 3: Cross multiply
   173,878x = 366,436.50 × 366,436.50
4. Step 4: Simplify right side
   173,878x = 134,275,708,532.25
5. Step 5: Solve for x
   x = 134,275,708,532.25/173,878
6. Step 6: Final answer
   x = 772,240.93