Finding the Third Proportional to 642,044 and 1,391,083

Step by Step Solution

1. Step 1: Write the proportion equation
   642,044 : 1,391,083 = 1,391,083 : x
2. Step 2: Convert to fraction form
   642,044/1,391,083 = 1,391,083/x
3. Step 3: Cross multiply
   642,044x = 1,391,083 × 1,391,083
4. Step 4: Simplify right side
   642,044x = 1,935,111,912,889
5. Step 5: Solve for x
   x = 1,935,111,912,889/642,044
6. Step 6: Final answer
   x = 3,013,986.44