Finding the Third Proportional to 163,816.50 and 359,754

Step by Step Solution

1. Step 1: Write the proportion equation
   163,816.50 : 359,754 = 359,754 : x
2. Step 2: Convert to fraction form
   163,816.50/359,754 = 359,754/x
3. Step 3: Cross multiply
   163,816.50x = 359,754 × 359,754
4. Step 4: Simplify right side
   163,816.50x = 129,422,940,516
5. Step 5: Solve for x
   x = 129,422,940,516/163,816.50
6. Step 6: Final answer
   x = 790,048.26