Finding the Third Proportional to 163,036.50 and 336,549

Step by Step Solution

1. Step 1: Write the proportion equation
   163,036.50 : 336,549 = 336,549 : x
2. Step 2: Convert to fraction form
   163,036.50/336,549 = 336,549/x
3. Step 3: Cross multiply
   163,036.50x = 336,549 × 336,549
4. Step 4: Simplify right side
   163,036.50x = 113,265,229,401
5. Step 5: Solve for x
   x = 113,265,229,401/163,036.50
6. Step 6: Final answer
   x = 694,723.14