Finding the Third Proportional to 860,554 and 1,890,956

Step by Step Solution

1. Step 1: Write the proportion equation
   860,554 : 1,890,956 = 1,890,956 : x
2. Step 2: Convert to fraction form
   860,554/1,890,956 = 1,890,956/x
3. Step 3: Cross multiply
   860,554x = 1,890,956 × 1,890,956
4. Step 4: Simplify right side
   860,554x = 3,575,714,593,936
5. Step 5: Solve for x
   x = 3,575,714,593,936/860,554
6. Step 6: Final answer
   x = 4,155,130.99