Finding the Third Proportional to 393,124 and 589,069.25

Step by Step Solution

1. Step 1: Write the proportion equation
   393,124 : 589,069.25 = 589,069.25 : x
2. Step 2: Convert to fraction form
   393,124/589,069.25 = 589,069.25/x
3. Step 3: Cross multiply
   393,124x = 589,069.25 × 589,069.25
4. Step 4: Simplify right side
   393,124x = 347,002,581,295.56
5. Step 5: Solve for x
   x = 347,002,581,295.56/393,124
6. Step 6: Final answer
   x = 882,679.72