Finding the Third Proportional to 1,221,672 and 1,864,096

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,672 : 1,864,096 = 1,864,096 : x
2. Step 2: Convert to fraction form
   1,221,672/1,864,096 = 1,864,096/x
3. Step 3: Cross multiply
   1,221,672x = 1,864,096 × 1,864,096
4. Step 4: Simplify right side
   1,221,672x = 3,474,853,897,216
5. Step 5: Solve for x
   x = 3,474,853,897,216/1,221,672
6. Step 6: Final answer
   x = 2,844,342.75