Finding the Third Proportional to 359,588 and 538,734

Step by Step Solution

1. Step 1: Write the proportion equation
   359,588 : 538,734 = 538,734 : x
2. Step 2: Convert to fraction form
   359,588/538,734 = 538,734/x
3. Step 3: Cross multiply
   359,588x = 538,734 × 538,734
4. Step 4: Simplify right side
   359,588x = 290,234,322,756
5. Step 5: Solve for x
   x = 290,234,322,756/359,588
6. Step 6: Final answer
   x = 807,130.17