Finding the Third Proportional to 1,078,588 and 2,340,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,588 : 2,340,520 = 2,340,520 : x
2. Step 2: Convert to fraction form
   1,078,588/2,340,520 = 2,340,520/x
3. Step 3: Cross multiply
   1,078,588x = 2,340,520 × 2,340,520
4. Step 4: Simplify right side
   1,078,588x = 5,478,033,870,400
5. Step 5: Solve for x
   x = 5,478,033,870,400/1,078,588
6. Step 6: Final answer
   x = 5,078,893.77