Finding the Third Proportional to 860,743 and 1,328,147

Step by Step Solution

1. Step 1: Write the proportion equation
   860,743 : 1,328,147 = 1,328,147 : x
2. Step 2: Convert to fraction form
   860,743/1,328,147 = 1,328,147/x
3. Step 3: Cross multiply
   860,743x = 1,328,147 × 1,328,147
4. Step 4: Simplify right side
   860,743x = 1,763,974,453,609
5. Step 5: Solve for x
   x = 1,763,974,453,609/860,743
6. Step 6: Final answer
   x = 2,049,362.53