Finding the Third Proportional to 553,734 and 1,309,968

Step by Step Solution

1. Step 1: Write the proportion equation
   553,734 : 1,309,968 = 1,309,968 : x
2. Step 2: Convert to fraction form
   553,734/1,309,968 = 1,309,968/x
3. Step 3: Cross multiply
   553,734x = 1,309,968 × 1,309,968
4. Step 4: Simplify right side
   553,734x = 1,716,016,161,024
5. Step 5: Solve for x
   x = 1,716,016,161,024/553,734
6. Step 6: Final answer
   x = 3,098,990.06