Finding the Third Proportional to 661,992 and 1,428,968

Step by Step Solution

1. Step 1: Write the proportion equation
   661,992 : 1,428,968 = 1,428,968 : x
2. Step 2: Convert to fraction form
   661,992/1,428,968 = 1,428,968/x
3. Step 3: Cross multiply
   661,992x = 1,428,968 × 1,428,968
4. Step 4: Simplify right side
   661,992x = 2,041,949,545,024
5. Step 5: Solve for x
   x = 2,041,949,545,024/661,992
6. Step 6: Final answer
   x = 3,084,553.20