Finding the Third Proportional to 146,723.63 and 321,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,723.63 : 321,574.50 = 321,574.50 : x
2. Step 2: Convert to fraction form
   146,723.63/321,574.50 = 321,574.50/x
3. Step 3: Cross multiply
   146,723.63x = 321,574.50 × 321,574.50
4. Step 4: Simplify right side
   146,723.63x = 103,410,159,050.25
5. Step 5: Solve for x
   x = 103,410,159,050.25/146,723.63
6. Step 6: Final answer
   x = 704,795.56