Finding the Third Proportional to 4,174,416 and 8,979,894

Step by Step Solution

1. Step 1: Write the proportion equation
   4,174,416 : 8,979,894 = 8,979,894 : x
2. Step 2: Convert to fraction form
   4,174,416/8,979,894 = 8,979,894/x
3. Step 3: Cross multiply
   4,174,416x = 8,979,894 × 8,979,894
4. Step 4: Simplify right side
   4,174,416x = 80,638,496,251,236
5. Step 5: Solve for x
   x = 80,638,496,251,236/4,174,416
6. Step 6: Final answer
   x = 19,317,311.99