Finding the Third Proportional to 3,994,432 and 8,736,176

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994,432 : 8,736,176 = 8,736,176 : x
2. Step 2: Convert to fraction form
   3,994,432/8,736,176 = 8,736,176/x
3. Step 3: Cross multiply
   3,994,432x = 8,736,176 × 8,736,176
4. Step 4: Simplify right side
   3,994,432x = 76,320,771,102,976
5. Step 5: Solve for x
   x = 76,320,771,102,976/3,994,432
6. Step 6: Final answer
   x = 19,106,789.43