Finding the Third Proportional to 4,245,723 and 8,885,106

Step by Step Solution

1. Step 1: Write the proportion equation
   4,245,723 : 8,885,106 = 8,885,106 : x
2. Step 2: Convert to fraction form
   4,245,723/8,885,106 = 8,885,106/x
3. Step 3: Cross multiply
   4,245,723x = 8,885,106 × 8,885,106
4. Step 4: Simplify right side
   4,245,723x = 78,945,108,631,236
5. Step 5: Solve for x
   x = 78,945,108,631,236/4,245,723
6. Step 6: Final answer
   x = 18,594,031.84