Finding the Third Proportional to 665,402 and 1,042,460

Step by Step Solution

1. Step 1: Write the proportion equation
   665,402 : 1,042,460 = 1,042,460 : x
2. Step 2: Convert to fraction form
   665,402/1,042,460 = 1,042,460/x
3. Step 3: Cross multiply
   665,402x = 1,042,460 × 1,042,460
4. Step 4: Simplify right side
   665,402x = 1,086,722,851,600
5. Step 5: Solve for x
   x = 1,086,722,851,600/665,402
6. Step 6: Final answer
   x = 1,633,182.42