Finding the Third Proportional to 150,592.50 and 324,513

Step by Step Solution

1. Step 1: Write the proportion equation
   150,592.50 : 324,513 = 324,513 : x
2. Step 2: Convert to fraction form
   150,592.50/324,513 = 324,513/x
3. Step 3: Cross multiply
   150,592.50x = 324,513 × 324,513
4. Step 4: Simplify right side
   150,592.50x = 105,308,687,169
5. Step 5: Solve for x
   x = 105,308,687,169/150,592.50
6. Step 6: Final answer
   x = 699,295.70