Finding the Third Proportional to 2,262,340 and 4,878,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262,340 : 4,878,920 = 4,878,920 : x
2. Step 2: Convert to fraction form
   2,262,340/4,878,920 = 4,878,920/x
3. Step 3: Cross multiply
   2,262,340x = 4,878,920 × 4,878,920
4. Step 4: Simplify right side
   2,262,340x = 23,803,860,366,400
5. Step 5: Solve for x
   x = 23,803,860,366,400/2,262,340
6. Step 6: Final answer
   x = 10,521,787.34