Finding the Third Proportional to 3,994,436 and 8,736,184

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994,436 : 8,736,184 = 8,736,184 : x
2. Step 2: Convert to fraction form
   3,994,436/8,736,184 = 8,736,184/x
3. Step 3: Cross multiply
   3,994,436x = 8,736,184 × 8,736,184
4. Step 4: Simplify right side
   3,994,436x = 76,320,910,881,856
5. Step 5: Solve for x
   x = 76,320,910,881,856/3,994,436
6. Step 6: Final answer
   x = 19,106,805.29