Finding the Third Proportional to 2,192,296 and 4,781,978

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192,296 : 4,781,978 = 4,781,978 : x
2. Step 2: Convert to fraction form
   2,192,296/4,781,978 = 4,781,978/x
3. Step 3: Cross multiply
   2,192,296x = 4,781,978 × 4,781,978
4. Step 4: Simplify right side
   2,192,296x = 22,867,313,592,484
5. Step 5: Solve for x
   x = 22,867,313,592,484/2,192,296
6. Step 6: Final answer
   x = 10,430,760.08