Finding the Third Proportional to 4,386,328 and 9,781,212

Step by Step Solution

1. Step 1: Write the proportion equation
   4,386,328 : 9,781,212 = 9,781,212 : x
2. Step 2: Convert to fraction form
   4,386,328/9,781,212 = 9,781,212/x
3. Step 3: Cross multiply
   4,386,328x = 9,781,212 × 9,781,212
4. Step 4: Simplify right side
   4,386,328x = 95,672,108,188,944
5. Step 5: Solve for x
   x = 95,672,108,188,944/4,386,328
6. Step 6: Final answer
   x = 21,811,435.03