Finding the Third Proportional to 858,346 and 1,847,588

Step by Step Solution

1. Step 1: Write the proportion equation
   858,346 : 1,847,588 = 1,847,588 : x
2. Step 2: Convert to fraction form
   858,346/1,847,588 = 1,847,588/x
3. Step 3: Cross multiply
   858,346x = 1,847,588 × 1,847,588
4. Step 4: Simplify right side
   858,346x = 3,413,581,417,744
5. Step 5: Solve for x
   x = 3,413,581,417,744/858,346
6. Step 6: Final answer
   x = 3,976,929.37