Finding the Third Proportional to 270,986.25 and 402,549

Step by Step Solution

1. Step 1: Write the proportion equation
   270,986.25 : 402,549 = 402,549 : x
2. Step 2: Convert to fraction form
   270,986.25/402,549 = 402,549/x
3. Step 3: Cross multiply
   270,986.25x = 402,549 × 402,549
4. Step 4: Simplify right side
   270,986.25x = 162,045,697,401
5. Step 5: Solve for x
   x = 162,045,697,401/270,986.25
6. Step 6: Final answer
   x = 597,984.94