Finding the Third Proportional to 1,858,354 and 2,617,059

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858,354 : 2,617,059 = 2,617,059 : x
2. Step 2: Convert to fraction form
   1,858,354/2,617,059 = 2,617,059/x
3. Step 3: Cross multiply
   1,858,354x = 2,617,059 × 2,617,059
4. Step 4: Simplify right side
   1,858,354x = 6,848,997,809,481
5. Step 5: Solve for x
   x = 6,848,997,809,481/1,858,354
6. Step 6: Final answer
   x = 3,685,518.37