Finding the Third Proportional to 665,269 and 1,042,410

Step by Step Solution

1. Step 1: Write the proportion equation
   665,269 : 1,042,410 = 1,042,410 : x
2. Step 2: Convert to fraction form
   665,269/1,042,410 = 1,042,410/x
3. Step 3: Cross multiply
   665,269x = 1,042,410 × 1,042,410
4. Step 4: Simplify right side
   665,269x = 1,086,618,608,100
5. Step 5: Solve for x
   x = 1,086,618,608,100/665,269
6. Step 6: Final answer
   x = 1,633,352.24