Finding the Third Proportional to 4,066,894 and 8,764,132

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,894 : 8,764,132 = 8,764,132 : x
2. Step 2: Convert to fraction form
   4,066,894/8,764,132 = 8,764,132/x
3. Step 3: Cross multiply
   4,066,894x = 8,764,132 × 8,764,132
4. Step 4: Simplify right side
   4,066,894x = 76,810,009,713,424
5. Step 5: Solve for x
   x = 76,810,009,713,424/4,066,894
6. Step 6: Final answer
   x = 18,886,651.51