Finding the Third Proportional to 295,609.50 and 660,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   295,609.50 : 660,109.50 = 660,109.50 : x
2. Step 2: Convert to fraction form
   295,609.50/660,109.50 = 660,109.50/x
3. Step 3: Cross multiply
   295,609.50x = 660,109.50 × 660,109.50
4. Step 4: Simplify right side
   295,609.50x = 435,744,551,990.25
5. Step 5: Solve for x
   x = 435,744,551,990.25/295,609.50
6. Step 6: Final answer
   x = 1,474,054.63