Finding the Third Proportional to 1,212,864 and 1,883,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,864 : 1,883,256 = 1,883,256 : x
2. Step 2: Convert to fraction form
   1,212,864/1,883,256 = 1,883,256/x
3. Step 3: Cross multiply
   1,212,864x = 1,883,256 × 1,883,256
4. Step 4: Simplify right side
   1,212,864x = 3,546,653,161,536
5. Step 5: Solve for x
   x = 3,546,653,161,536/1,212,864
6. Step 6: Final answer
   x = 2,924,196.91