Finding the Third Proportional to 236,494 and 512,300

Step by Step Solution

1. Step 1: Write the proportion equation
   236,494 : 512,300 = 512,300 : x
2. Step 2: Convert to fraction form
   236,494/512,300 = 512,300/x
3. Step 3: Cross multiply
   236,494x = 512,300 × 512,300
4. Step 4: Simplify right side
   236,494x = 262,451,290,000
5. Step 5: Solve for x
   x = 262,451,290,000/236,494
6. Step 6: Final answer
   x = 1,109,758.77