Finding the Third Proportional to 423,859.50 and 635,796

Step by Step Solution

1. Step 1: Write the proportion equation
   423,859.50 : 635,796 = 635,796 : x
2. Step 2: Convert to fraction form
   423,859.50/635,796 = 635,796/x
3. Step 3: Cross multiply
   423,859.50x = 635,796 × 635,796
4. Step 4: Simplify right side
   423,859.50x = 404,236,553,616
5. Step 5: Solve for x
   x = 404,236,553,616/423,859.50
6. Step 6: Final answer
   x = 953,704.13