Finding the Third Proportional to 292,108 and 443,650

Step by Step Solution

1. Step 1: Write the proportion equation
   292,108 : 443,650 = 443,650 : x
2. Step 2: Convert to fraction form
   292,108/443,650 = 443,650/x
3. Step 3: Cross multiply
   292,108x = 443,650 × 443,650
4. Step 4: Simplify right side
   292,108x = 196,825,322,500
5. Step 5: Solve for x
   x = 196,825,322,500/292,108
6. Step 6: Final answer
   x = 673,810.11