Finding the Third Proportional to 658,970 and 1,438,792

Step by Step Solution

1. Step 1: Write the proportion equation
   658,970 : 1,438,792 = 1,438,792 : x
2. Step 2: Convert to fraction form
   658,970/1,438,792 = 1,438,792/x
3. Step 3: Cross multiply
   658,970x = 1,438,792 × 1,438,792
4. Step 4: Simplify right side
   658,970x = 2,070,122,419,264
5. Step 5: Solve for x
   x = 2,070,122,419,264/658,970
6. Step 6: Final answer
   x = 3,141,451.69