Finding the Third Proportional to 295,454 and 443,066

Step by Step Solution

1. Step 1: Write the proportion equation
   295,454 : 443,066 = 443,066 : x
2. Step 2: Convert to fraction form
   295,454/443,066 = 443,066/x
3. Step 3: Cross multiply
   295,454x = 443,066 × 443,066
4. Step 4: Simplify right side
   295,454x = 196,307,480,356
5. Step 5: Solve for x
   x = 196,307,480,356/295,454
6. Step 6: Final answer
   x = 664,426.54