Finding the Third Proportional to 146,634 and 321,292.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,634 : 321,292.50 = 321,292.50 : x
2. Step 2: Convert to fraction form
   146,634/321,292.50 = 321,292.50/x
3. Step 3: Cross multiply
   146,634x = 321,292.50 × 321,292.50
4. Step 4: Simplify right side
   146,634x = 103,228,870,556.25
5. Step 5: Solve for x
   x = 103,228,870,556.25/146,634
6. Step 6: Final answer
   x = 703,990.01