Finding the Third Proportional to 860,580 and 1,891,004

Step by Step Solution

1. Step 1: Write the proportion equation
   860,580 : 1,891,004 = 1,891,004 : x
2. Step 2: Convert to fraction form
   860,580/1,891,004 = 1,891,004/x
3. Step 3: Cross multiply
   860,580x = 1,891,004 × 1,891,004
4. Step 4: Simplify right side
   860,580x = 3,575,896,128,016
5. Step 5: Solve for x
   x = 3,575,896,128,016/860,580
6. Step 6: Final answer
   x = 4,155,216.40