Finding the Third Proportional to 868,200 and 1,860,996

Step by Step Solution

1. Step 1: Write the proportion equation
   868,200 : 1,860,996 = 1,860,996 : x
2. Step 2: Convert to fraction form
   868,200/1,860,996 = 1,860,996/x
3. Step 3: Cross multiply
   868,200x = 1,860,996 × 1,860,996
4. Step 4: Simplify right side
   868,200x = 3,463,306,112,016
5. Step 5: Solve for x
   x = 3,463,306,112,016/868,200
6. Step 6: Final answer
   x = 3,989,064.86