Finding the Third Proportional to 301,689.56 and 447,314.06

Step by Step Solution

1. Step 1: Write the proportion equation
   301,689.56 : 447,314.06 = 447,314.06 : x
2. Step 2: Convert to fraction form
   301,689.56/447,314.06 = 447,314.06/x
3. Step 3: Cross multiply
   301,689.56x = 447,314.06 × 447,314.06
4. Step 4: Simplify right side
   301,689.56x = 200,089,870,510.25
5. Step 5: Solve for x
   x = 200,089,870,510.25/301,689.56
6. Step 6: Final answer
   x = 663,231.00