Finding the Third Proportional to 342,356 and 500,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,356 : 500,855.50 = 500,855.50 : x
2. Step 2: Convert to fraction form
   342,356/500,855.50 = 500,855.50/x
3. Step 3: Cross multiply
   342,356x = 500,855.50 × 500,855.50
4. Step 4: Simplify right side
   342,356x = 250,856,231,880.25
5. Step 5: Solve for x
   x = 250,856,231,880.25/342,356
6. Step 6: Final answer
   x = 732,735.02