Finding the Third Proportional to 171,720 and 368,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,720 : 368,833.50 = 368,833.50 : x
2. Step 2: Convert to fraction form
   171,720/368,833.50 = 368,833.50/x
3. Step 3: Cross multiply
   171,720x = 368,833.50 × 368,833.50
4. Step 4: Simplify right side
   171,720x = 136,038,150,722.25
5. Step 5: Solve for x
   x = 136,038,150,722.25/171,720
6. Step 6: Final answer
   x = 792,209.12