Finding the Third Proportional to 352,842 and 530,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   352,842 : 530,059.50 = 530,059.50 : x
2. Step 2: Convert to fraction form
   352,842/530,059.50 = 530,059.50/x
3. Step 3: Cross multiply
   352,842x = 530,059.50 × 530,059.50
4. Step 4: Simplify right side
   352,842x = 280,963,073,540.25
5. Step 5: Solve for x
   x = 280,963,073,540.25/352,842
6. Step 6: Final answer
   x = 796,285.80