Finding the Third Proportional to 326,065.50 and 493,695

Step by Step Solution

1. Step 1: Write the proportion equation
   326,065.50 : 493,695 = 493,695 : x
2. Step 2: Convert to fraction form
   326,065.50/493,695 = 493,695/x
3. Step 3: Cross multiply
   326,065.50x = 493,695 × 493,695
4. Step 4: Simplify right side
   326,065.50x = 243,734,753,025
5. Step 5: Solve for x
   x = 243,734,753,025/326,065.50
6. Step 6: Final answer
   x = 747,502.43