Finding the Third Proportional to 631,608 and 1,403,184

Step by Step Solution

1. Step 1: Write the proportion equation
   631,608 : 1,403,184 = 1,403,184 : x
2. Step 2: Convert to fraction form
   631,608/1,403,184 = 1,403,184/x
3. Step 3: Cross multiply
   631,608x = 1,403,184 × 1,403,184
4. Step 4: Simplify right side
   631,608x = 1,968,925,337,856
5. Step 5: Solve for x
   x = 1,968,925,337,856/631,608
6. Step 6: Final answer
   x = 3,117,321.72