Finding the Third Proportional to 688,662 and 1,499,268

Step by Step Solution

1. Step 1: Write the proportion equation
   688,662 : 1,499,268 = 1,499,268 : x
2. Step 2: Convert to fraction form
   688,662/1,499,268 = 1,499,268/x
3. Step 3: Cross multiply
   688,662x = 1,499,268 × 1,499,268
4. Step 4: Simplify right side
   688,662x = 2,247,804,535,824
5. Step 5: Solve for x
   x = 2,247,804,535,824/688,662
6. Step 6: Final answer
   x = 3,264,017.09