Finding the Third Proportional to 2,272,644 and 4,860,486

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272,644 : 4,860,486 = 4,860,486 : x
2. Step 2: Convert to fraction form
   2,272,644/4,860,486 = 4,860,486/x
3. Step 3: Cross multiply
   2,272,644x = 4,860,486 × 4,860,486
4. Step 4: Simplify right side
   2,272,644x = 23,624,324,156,196
5. Step 5: Solve for x
   x = 23,624,324,156,196/2,272,644
6. Step 6: Final answer
   x = 10,395,083.50