Finding the Third Proportional to 301,514 and 443,278

Step by Step Solution

1. Step 1: Write the proportion equation
   301,514 : 443,278 = 443,278 : x
2. Step 2: Convert to fraction form
   301,514/443,278 = 443,278/x
3. Step 3: Cross multiply
   301,514x = 443,278 × 443,278
4. Step 4: Simplify right side
   301,514x = 196,495,385,284
5. Step 5: Solve for x
   x = 196,495,385,284/301,514
6. Step 6: Final answer
   x = 651,695.73