Finding the Third Proportional to 1,558,717 and 2,331,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558,717 : 2,331,856 = 2,331,856 : x
2. Step 2: Convert to fraction form
   1,558,717/2,331,856 = 2,331,856/x
3. Step 3: Cross multiply
   1,558,717x = 2,331,856 × 2,331,856
4. Step 4: Simplify right side
   1,558,717x = 5,437,552,404,736
5. Step 5: Solve for x
   x = 5,437,552,404,736/1,558,717
6. Step 6: Final answer
   x = 3,488,479.57