Finding the Third Proportional to 302,239.50 and 635,634

Step by Step Solution

1. Step 1: Write the proportion equation
   302,239.50 : 635,634 = 635,634 : x
2. Step 2: Convert to fraction form
   302,239.50/635,634 = 635,634/x
3. Step 3: Cross multiply
   302,239.50x = 635,634 × 635,634
4. Step 4: Simplify right side
   302,239.50x = 404,030,581,956
5. Step 5: Solve for x
   x = 404,030,581,956/302,239.50
6. Step 6: Final answer
   x = 1,336,789.47