Finding the Third Proportional to 295,609.50 and 445,986

Step by Step Solution

1. Step 1: Write the proportion equation
   295,609.50 : 445,986 = 445,986 : x
2. Step 2: Convert to fraction form
   295,609.50/445,986 = 445,986/x
3. Step 3: Cross multiply
   295,609.50x = 445,986 × 445,986
4. Step 4: Simplify right side
   295,609.50x = 198,903,512,196
5. Step 5: Solve for x
   x = 198,903,512,196/295,609.50
6. Step 6: Final answer
   x = 672,859.00