Finding the Third Proportional to 658,042 and 1,428,836

Step by Step Solution

1. Step 1: Write the proportion equation
   658,042 : 1,428,836 = 1,428,836 : x
2. Step 2: Convert to fraction form
   658,042/1,428,836 = 1,428,836/x
3. Step 3: Cross multiply
   658,042x = 1,428,836 × 1,428,836
4. Step 4: Simplify right side
   658,042x = 2,041,572,314,896
5. Step 5: Solve for x
   x = 2,041,572,314,896/658,042
6. Step 6: Final answer
   x = 3,102,495.46