Finding the Third Proportional to 324,558 and 703,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   324,558 : 703,858.50 = 703,858.50 : x
2. Step 2: Convert to fraction form
   324,558/703,858.50 = 703,858.50/x
3. Step 3: Cross multiply
   324,558x = 703,858.50 × 703,858.50
4. Step 4: Simplify right side
   324,558x = 495,416,788,022.25
5. Step 5: Solve for x
   x = 495,416,788,022.25/324,558
6. Step 6: Final answer
   x = 1,526,435.30