Finding the Third Proportional to 210,252 and 326,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,252 : 326,452.50 = 326,452.50 : x
2. Step 2: Convert to fraction form
   210,252/326,452.50 = 326,452.50/x
3. Step 3: Cross multiply
   210,252x = 326,452.50 × 326,452.50
4. Step 4: Simplify right side
   210,252x = 106,571,234,756.25
5. Step 5: Solve for x
   x = 106,571,234,756.25/210,252
6. Step 6: Final answer
   x = 506,873.82