Finding the Third Proportional to 318,145.50 and 466,524

Step by Step Solution

1. Step 1: Write the proportion equation
   318,145.50 : 466,524 = 466,524 : x
2. Step 2: Convert to fraction form
   318,145.50/466,524 = 466,524/x
3. Step 3: Cross multiply
   318,145.50x = 466,524 × 466,524
4. Step 4: Simplify right side
   318,145.50x = 217,644,642,576
5. Step 5: Solve for x
   x = 217,644,642,576/318,145.50
6. Step 6: Final answer
   x = 684,104.11