Finding the Third Proportional to 1,328,512 and 1,864,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,512 : 1,864,166 = 1,864,166 : x
2. Step 2: Convert to fraction form
   1,328,512/1,864,166 = 1,864,166/x
3. Step 3: Cross multiply
   1,328,512x = 1,864,166 × 1,864,166
4. Step 4: Simplify right side
   1,328,512x = 3,475,114,875,556
5. Step 5: Solve for x
   x = 3,475,114,875,556/1,328,512
6. Step 6: Final answer
   x = 2,615,794.87