Finding the Third Proportional to 327,847.50 and 521,310

Step by Step Solution

1. Step 1: Write the proportion equation
   327,847.50 : 521,310 = 521,310 : x
2. Step 2: Convert to fraction form
   327,847.50/521,310 = 521,310/x
3. Step 3: Cross multiply
   327,847.50x = 521,310 × 521,310
4. Step 4: Simplify right side
   327,847.50x = 271,764,116,100
5. Step 5: Solve for x
   x = 271,764,116,100/327,847.50
6. Step 6: Final answer
   x = 828,934.54