Finding the Third Proportional to 406,447.88 and 571,861.69

Step by Step Solution

1. Step 1: Write the proportion equation
   406,447.88 : 571,861.69 = 571,861.69 : x
2. Step 2: Convert to fraction form
   406,447.88/571,861.69 = 571,861.69/x
3. Step 3: Cross multiply
   406,447.88x = 571,861.69 × 571,861.69
4. Step 4: Simplify right side
   406,447.88x = 327,025,789,630.35
5. Step 5: Solve for x
   x = 327,025,789,630.35/406,447.88
6. Step 6: Final answer
   x = 804,594.66