Finding the Third Proportional to 294,397.50 and 635,424

Step by Step Solution

1. Step 1: Write the proportion equation
   294,397.50 : 635,424 = 635,424 : x
2. Step 2: Convert to fraction form
   294,397.50/635,424 = 635,424/x
3. Step 3: Cross multiply
   294,397.50x = 635,424 × 635,424
4. Step 4: Simplify right side
   294,397.50x = 403,763,659,776
5. Step 5: Solve for x
   x = 403,763,659,776/294,397.50
6. Step 6: Final answer
   x = 1,371,491.47