Finding the Third Proportional to 301,128 and 443,382

Step by Step Solution

1. Step 1: Write the proportion equation
   301,128 : 443,382 = 443,382 : x
2. Step 2: Convert to fraction form
   301,128/443,382 = 443,382/x
3. Step 3: Cross multiply
   301,128x = 443,382 × 443,382
4. Step 4: Simplify right side
   301,128x = 196,587,597,924
5. Step 5: Solve for x
   x = 196,587,597,924/301,128
6. Step 6: Final answer
   x = 652,837.32