Finding the Third Proportional to 173,607 and 368,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,607 : 368,542.50 = 368,542.50 : x
2. Step 2: Convert to fraction form
   173,607/368,542.50 = 368,542.50/x
3. Step 3: Cross multiply
   173,607x = 368,542.50 × 368,542.50
4. Step 4: Simplify right side
   173,607x = 135,823,574,306.25
5. Step 5: Solve for x
   x = 135,823,574,306.25/173,607
6. Step 6: Final answer
   x = 782,362.31