Finding the Third Proportional to 4,213,384 and 9,337,856

Step by Step Solution

1. Step 1: Write the proportion equation
   4,213,384 : 9,337,856 = 9,337,856 : x
2. Step 2: Convert to fraction form
   4,213,384/9,337,856 = 9,337,856/x
3. Step 3: Cross multiply
   4,213,384x = 9,337,856 × 9,337,856
4. Step 4: Simplify right side
   4,213,384x = 87,195,554,676,736
5. Step 5: Solve for x
   x = 87,195,554,676,736/4,213,384
6. Step 6: Final answer
   x = 20,694,898.61