Finding the Third Proportional to 661,976 and 1,428,936

Step by Step Solution

1. Step 1: Write the proportion equation
   661,976 : 1,428,936 = 1,428,936 : x
2. Step 2: Convert to fraction form
   661,976/1,428,936 = 1,428,936/x
3. Step 3: Cross multiply
   661,976x = 1,428,936 × 1,428,936
4. Step 4: Simplify right side
   661,976x = 2,041,858,092,096
5. Step 5: Solve for x
   x = 2,041,858,092,096/661,976
6. Step 6: Final answer
   x = 3,084,489.61