Finding the Third Proportional to 1,445,288 and 2,146,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,288 : 2,146,976 = 2,146,976 : x
2. Step 2: Convert to fraction form
   1,445,288/2,146,976 = 2,146,976/x
3. Step 3: Cross multiply
   1,445,288x = 2,146,976 × 2,146,976
4. Step 4: Simplify right side
   1,445,288x = 4,609,505,944,576
5. Step 5: Solve for x
   x = 4,609,505,944,576/1,445,288
6. Step 6: Final answer
   x = 3,189,333.85