Finding the Third Proportional to 658,720 and 1,419,056

Step by Step Solution

1. Step 1: Write the proportion equation
   658,720 : 1,419,056 = 1,419,056 : x
2. Step 2: Convert to fraction form
   658,720/1,419,056 = 1,419,056/x
3. Step 3: Cross multiply
   658,720x = 1,419,056 × 1,419,056
4. Step 4: Simplify right side
   658,720x = 2,013,719,931,136
5. Step 5: Solve for x
   x = 2,013,719,931,136/658,720
6. Step 6: Final answer
   x = 3,057,019.57