Finding the Third Proportional to 4,161,312 and 8,943,408

Step by Step Solution

1. Step 1: Write the proportion equation
   4,161,312 : 8,943,408 = 8,943,408 : x
2. Step 2: Convert to fraction form
   4,161,312/8,943,408 = 8,943,408/x
3. Step 3: Cross multiply
   4,161,312x = 8,943,408 × 8,943,408
4. Step 4: Simplify right side
   4,161,312x = 79,984,546,654,464
5. Step 5: Solve for x
   x = 79,984,546,654,464/4,161,312
6. Step 6: Final answer
   x = 19,220,992.48