Finding the Third Proportional to 840,839 and 1,974,005

Step by Step Solution

1. Step 1: Write the proportion equation
   840,839 : 1,974,005 = 1,974,005 : x
2. Step 2: Convert to fraction form
   840,839/1,974,005 = 1,974,005/x
3. Step 3: Cross multiply
   840,839x = 1,974,005 × 1,974,005
4. Step 4: Simplify right side
   840,839x = 3,896,695,740,025
5. Step 5: Solve for x
   x = 3,896,695,740,025/840,839
6. Step 6: Final answer
   x = 4,634,294.72