Finding the Third Proportional to 1,078,552 and 2,319,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,552 : 2,319,920 = 2,319,920 : x
2. Step 2: Convert to fraction form
   1,078,552/2,319,920 = 2,319,920/x
3. Step 3: Cross multiply
   1,078,552x = 2,319,920 × 2,319,920
4. Step 4: Simplify right side
   1,078,552x = 5,382,028,806,400
5. Step 5: Solve for x
   x = 5,382,028,806,400/1,078,552
6. Step 6: Final answer
   x = 4,990,050.37