Finding the Third Proportional to 4,128,894 and 8,548,112

Step by Step Solution

1. Step 1: Write the proportion equation
   4,128,894 : 8,548,112 = 8,548,112 : x
2. Step 2: Convert to fraction form
   4,128,894/8,548,112 = 8,548,112/x
3. Step 3: Cross multiply
   4,128,894x = 8,548,112 × 8,548,112
4. Step 4: Simplify right side
   4,128,894x = 73,070,218,764,544
5. Step 5: Solve for x
   x = 73,070,218,764,544/4,128,894
6. Step 6: Final answer
   x = 17,697,286.19