Finding the Third Proportional to 498,989 and 1,069,420

Step by Step Solution

1. Step 1: Write the proportion equation
   498,989 : 1,069,420 = 1,069,420 : x
2. Step 2: Convert to fraction form
   498,989/1,069,420 = 1,069,420/x
3. Step 3: Cross multiply
   498,989x = 1,069,420 × 1,069,420
4. Step 4: Simplify right side
   498,989x = 1,143,659,136,400
5. Step 5: Solve for x
   x = 1,143,659,136,400/498,989
6. Step 6: Final answer
   x = 2,291,952.60