Finding the Third Proportional to 10,256,256 and 21,885,408

Step by Step Solution

1. Step 1: Write the proportion equation
   10,256,256 : 21,885,408 = 21,885,408 : x
2. Step 2: Convert to fraction form
   10,256,256/21,885,408 = 21,885,408/x
3. Step 3: Cross multiply
   10,256,256x = 21,885,408 × 21,885,408
4. Step 4: Simplify right side
   10,256,256x = 478,971,083,326,464
5. Step 5: Solve for x
   x = 478,971,083,326,464/10,256,256
6. Step 6: Final answer
   x = 46,700,383.00