Finding the Third Proportional to 163,912.50 and 360,342

Step by Step Solution

1. Step 1: Write the proportion equation
   163,912.50 : 360,342 = 360,342 : x
2. Step 2: Convert to fraction form
   163,912.50/360,342 = 360,342/x
3. Step 3: Cross multiply
   163,912.50x = 360,342 × 360,342
4. Step 4: Simplify right side
   163,912.50x = 129,846,356,964
5. Step 5: Solve for x
   x = 129,846,356,964/163,912.50
6. Step 6: Final answer
   x = 792,168.73