Finding the Third Proportional to 860,566 and 1,890,980

Step by Step Solution

1. Step 1: Write the proportion equation
   860,566 : 1,890,980 = 1,890,980 : x
2. Step 2: Convert to fraction form
   860,566/1,890,980 = 1,890,980/x
3. Step 3: Cross multiply
   860,566x = 1,890,980 × 1,890,980
4. Step 4: Simplify right side
   860,566x = 3,575,805,360,400
5. Step 5: Solve for x
   x = 3,575,805,360,400/860,566
6. Step 6: Final answer
   x = 4,155,178.52