Finding the Third Proportional to 282,346.50 and 402,476

Step by Step Solution

1. Step 1: Write the proportion equation
   282,346.50 : 402,476 = 402,476 : x
2. Step 2: Convert to fraction form
   282,346.50/402,476 = 402,476/x
3. Step 3: Cross multiply
   282,346.50x = 402,476 × 402,476
4. Step 4: Simplify right side
   282,346.50x = 161,986,930,576
5. Step 5: Solve for x
   x = 161,986,930,576/282,346.50
6. Step 6: Final answer
   x = 573,716.80