Finding the Third Proportional to 393,675 and 610,744.50

Step by Step Solution

1. Step 1: Write the proportion equation
   393,675 : 610,744.50 = 610,744.50 : x
2. Step 2: Convert to fraction form
   393,675/610,744.50 = 610,744.50/x
3. Step 3: Cross multiply
   393,675x = 610,744.50 × 610,744.50
4. Step 4: Simplify right side
   393,675x = 373,008,844,280.25
5. Step 5: Solve for x
   x = 373,008,844,280.25/393,675
6. Step 6: Final answer
   x = 947,504.53