Finding the Third Proportional to 301,153.50 and 443,403

Step by Step Solution

1. Step 1: Write the proportion equation
   301,153.50 : 443,403 = 443,403 : x
2. Step 2: Convert to fraction form
   301,153.50/443,403 = 443,403/x
3. Step 3: Cross multiply
   301,153.50x = 443,403 × 443,403
4. Step 4: Simplify right side
   301,153.50x = 196,606,220,409
5. Step 5: Solve for x
   x = 196,606,220,409/301,153.50
6. Step 6: Final answer
   x = 652,843.88