Finding the Third Proportional to 163,930.50 and 360,018

Step by Step Solution

1. Step 1: Write the proportion equation
   163,930.50 : 360,018 = 360,018 : x
2. Step 2: Convert to fraction form
   163,930.50/360,018 = 360,018/x
3. Step 3: Cross multiply
   163,930.50x = 360,018 × 360,018
4. Step 4: Simplify right side
   163,930.50x = 129,612,960,324
5. Step 5: Solve for x
   x = 129,612,960,324/163,930.50
6. Step 6: Final answer
   x = 790,657.99