Finding the Third Proportional to 631,703 and 1,369,799

Step by Step Solution

1. Step 1: Write the proportion equation
   631,703 : 1,369,799 = 1,369,799 : x
2. Step 2: Convert to fraction form
   631,703/1,369,799 = 1,369,799/x
3. Step 3: Cross multiply
   631,703x = 1,369,799 × 1,369,799
4. Step 4: Simplify right side
   631,703x = 1,876,349,300,401
5. Step 5: Solve for x
   x = 1,876,349,300,401/631,703
6. Step 6: Final answer
   x = 2,970,302.98