Finding the Third Proportional to 292,086 and 443,610

Step by Step Solution

1. Step 1: Write the proportion equation
   292,086 : 443,610 = 443,610 : x
2. Step 2: Convert to fraction form
   292,086/443,610 = 443,610/x
3. Step 3: Cross multiply
   292,086x = 443,610 × 443,610
4. Step 4: Simplify right side
   292,086x = 196,789,832,100
5. Step 5: Solve for x
   x = 196,789,832,100/292,086
6. Step 6: Final answer
   x = 673,739.35