Finding the Third Proportional to 207,078 and 443,664

Step by Step Solution

1. Step 1: Write the proportion equation
   207,078 : 443,664 = 443,664 : x
2. Step 2: Convert to fraction form
   207,078/443,664 = 443,664/x
3. Step 3: Cross multiply
   207,078x = 443,664 × 443,664
4. Step 4: Simplify right side
   207,078x = 196,837,744,896
5. Step 5: Solve for x
   x = 196,837,744,896/207,078
6. Step 6: Final answer
   x = 950,548.80