Finding the Third Proportional to 631,655 and 1,369,726

Step by Step Solution

1. Step 1: Write the proportion equation
   631,655 : 1,369,726 = 1,369,726 : x
2. Step 2: Convert to fraction form
   631,655/1,369,726 = 1,369,726/x
3. Step 3: Cross multiply
   631,655x = 1,369,726 × 1,369,726
4. Step 4: Simplify right side
   631,655x = 1,876,149,315,076
5. Step 5: Solve for x
   x = 1,876,149,315,076/631,655
6. Step 6: Final answer
   x = 2,970,212.09