Finding the Third Proportional to 4,929,456 and 10,587,408

Step by Step Solution

1. Step 1: Write the proportion equation
   4,929,456 : 10,587,408 = 10,587,408 : x
2. Step 2: Convert to fraction form
   4,929,456/10,587,408 = 10,587,408/x
3. Step 3: Cross multiply
   4,929,456x = 10,587,408 × 10,587,408
4. Step 4: Simplify right side
   4,929,456x = 112,093,208,158,464
5. Step 5: Solve for x
   x = 112,093,208,158,464/4,929,456
6. Step 6: Final answer
   x = 22,739,468.24