Finding the Third Proportional to 349,618.50 and 764,847

Step by Step Solution

1. Step 1: Write the proportion equation
   349,618.50 : 764,847 = 764,847 : x
2. Step 2: Convert to fraction form
   349,618.50/764,847 = 764,847/x
3. Step 3: Cross multiply
   349,618.50x = 764,847 × 764,847
4. Step 4: Simplify right side
   349,618.50x = 584,990,933,409
5. Step 5: Solve for x
   x = 584,990,933,409/349,618.50
6. Step 6: Final answer
   x = 1,673,226.48