Finding the Third Proportional to 355,492 and 500,046

Step by Step Solution

1. Step 1: Write the proportion equation
   355,492 : 500,046 = 500,046 : x
2. Step 2: Convert to fraction form
   355,492/500,046 = 500,046/x
3. Step 3: Cross multiply
   355,492x = 500,046 × 500,046
4. Step 4: Simplify right side
   355,492x = 250,046,002,116
5. Step 5: Solve for x
   x = 250,046,002,116/355,492
6. Step 6: Final answer
   x = 703,380.11