Finding the Third Proportional to 173,928.50 and 369,180

Step by Step Solution

1. Step 1: Write the proportion equation
   173,928.50 : 369,180 = 369,180 : x
2. Step 2: Convert to fraction form
   173,928.50/369,180 = 369,180/x
3. Step 3: Cross multiply
   173,928.50x = 369,180 × 369,180
4. Step 4: Simplify right side
   173,928.50x = 136,293,872,400
5. Step 5: Solve for x
   x = 136,293,872,400/173,928.50
6. Step 6: Final answer
   x = 783,620.12