Finding the Third Proportional to 4,112,558 and 8,911,512

Step by Step Solution

1. Step 1: Write the proportion equation
   4,112,558 : 8,911,512 = 8,911,512 : x
2. Step 2: Convert to fraction form
   4,112,558/8,911,512 = 8,911,512/x
3. Step 3: Cross multiply
   4,112,558x = 8,911,512 × 8,911,512
4. Step 4: Simplify right side
   4,112,558x = 79,415,046,126,144
5. Step 5: Solve for x
   x = 79,415,046,126,144/4,112,558
6. Step 6: Final answer
   x = 19,310,377.17