Finding the Third Proportional to 860,868 and 1,885,404

Step by Step Solution

1. Step 1: Write the proportion equation
   860,868 : 1,885,404 = 1,885,404 : x
2. Step 2: Convert to fraction form
   860,868/1,885,404 = 1,885,404/x
3. Step 3: Cross multiply
   860,868x = 1,885,404 × 1,885,404
4. Step 4: Simplify right side
   860,868x = 3,554,748,243,216
5. Step 5: Solve for x
   x = 3,554,748,243,216/860,868
6. Step 6: Final answer
   x = 4,129,260.52