Finding the Third Proportional to 207,472 and 443,360

Step by Step Solution

1. Step 1: Write the proportion equation
   207,472 : 443,360 = 443,360 : x
2. Step 2: Convert to fraction form
   207,472/443,360 = 443,360/x
3. Step 3: Cross multiply
   207,472x = 443,360 × 443,360
4. Step 4: Simplify right side
   207,472x = 196,568,089,600
5. Step 5: Solve for x
   x = 196,568,089,600/207,472
6. Step 6: Final answer
   x = 947,443.94