Finding the Third Proportional to 359,298 and 538,974

Step by Step Solution

1. Step 1: Write the proportion equation
   359,298 : 538,974 = 538,974 : x
2. Step 2: Convert to fraction form
   359,298/538,974 = 538,974/x
3. Step 3: Cross multiply
   359,298x = 538,974 × 538,974
4. Step 4: Simplify right side
   359,298x = 290,492,972,676
5. Step 5: Solve for x
   x = 290,492,972,676/359,298
6. Step 6: Final answer
   x = 808,501.50