Finding the Third Proportional to 336,748.50 and 522,831

Step by Step Solution

1. Step 1: Write the proportion equation
   336,748.50 : 522,831 = 522,831 : x
2. Step 2: Convert to fraction form
   336,748.50/522,831 = 522,831/x
3. Step 3: Cross multiply
   336,748.50x = 522,831 × 522,831
4. Step 4: Simplify right side
   336,748.50x = 273,352,254,561
5. Step 5: Solve for x
   x = 273,352,254,561/336,748.50
6. Step 6: Final answer
   x = 811,740.08