Finding the Third Proportional to 4,173,184 and 9,143,408

Step by Step Solution

1. Step 1: Write the proportion equation
   4,173,184 : 9,143,408 = 9,143,408 : x
2. Step 2: Convert to fraction form
   4,173,184/9,143,408 = 9,143,408/x
3. Step 3: Cross multiply
   4,173,184x = 9,143,408 × 9,143,408
4. Step 4: Simplify right side
   4,173,184x = 83,601,909,854,464
5. Step 5: Solve for x
   x = 83,601,909,854,464/4,173,184
6. Step 6: Final answer
   x = 20,033,123.35