Finding the Third Proportional to 162,758.50 and 356,549

Step by Step Solution

1. Step 1: Write the proportion equation
   162,758.50 : 356,549 = 356,549 : x
2. Step 2: Convert to fraction form
   162,758.50/356,549 = 356,549/x
3. Step 3: Cross multiply
   162,758.50x = 356,549 × 356,549
4. Step 4: Simplify right side
   162,758.50x = 127,127,189,401
5. Step 5: Solve for x
   x = 127,127,189,401/162,758.50
6. Step 6: Final answer
   x = 781,078.65