Finding the Third Proportional to 168,384 and 360,115.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,384 : 360,115.50 = 360,115.50 : x
2. Step 2: Convert to fraction form
   168,384/360,115.50 = 360,115.50/x
3. Step 3: Cross multiply
   168,384x = 360,115.50 × 360,115.50
4. Step 4: Simplify right side
   168,384x = 129,683,173,340.25
5. Step 5: Solve for x
   x = 129,683,173,340.25/168,384
6. Step 6: Final answer
   x = 770,163.28