Finding the Third Proportional to 1,917,588 and 4,260,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,588 : 4,260,828 = 4,260,828 : x
2. Step 2: Convert to fraction form
   1,917,588/4,260,828 = 4,260,828/x
3. Step 3: Cross multiply
   1,917,588x = 4,260,828 × 4,260,828
4. Step 4: Simplify right side
   1,917,588x = 18,154,655,245,584
5. Step 5: Solve for x
   x = 18,154,655,245,584/1,917,588
6. Step 6: Final answer
   x = 9,467,443.08