Finding the Third Proportional to 1,025,978 and 2,227,190

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025,978 : 2,227,190 = 2,227,190 : x
2. Step 2: Convert to fraction form
   1,025,978/2,227,190 = 2,227,190/x
3. Step 3: Cross multiply
   1,025,978x = 2,227,190 × 2,227,190
4. Step 4: Simplify right side
   1,025,978x = 4,960,375,296,100
5. Step 5: Solve for x
   x = 4,960,375,296,100/1,025,978
6. Step 6: Final answer
   x = 4,834,777.45