Finding the Third Proportional to 509,118 and 1,005,384

Step by Step Solution

1. Step 1: Write the proportion equation
   509,118 : 1,005,384 = 1,005,384 : x
2. Step 2: Convert to fraction form
   509,118/1,005,384 = 1,005,384/x
3. Step 3: Cross multiply
   509,118x = 1,005,384 × 1,005,384
4. Step 4: Simplify right side
   509,118x = 1,010,796,987,456
5. Step 5: Solve for x
   x = 1,010,796,987,456/509,118
6. Step 6: Final answer
   x = 1,985,388.43