Finding the Third Proportional to 571,878 and 1,237,898

Step by Step Solution

1. Step 1: Write the proportion equation
   571,878 : 1,237,898 = 1,237,898 : x
2. Step 2: Convert to fraction form
   571,878/1,237,898 = 1,237,898/x
3. Step 3: Cross multiply
   571,878x = 1,237,898 × 1,237,898
4. Step 4: Simplify right side
   571,878x = 1,532,391,458,404
5. Step 5: Solve for x
   x = 1,532,391,458,404/571,878
6. Step 6: Final answer
   x = 2,679,577.56