Finding the Third Proportional to 1,030,147 and 1,515,439

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030,147 : 1,515,439 = 1,515,439 : x
2. Step 2: Convert to fraction form
   1,030,147/1,515,439 = 1,515,439/x
3. Step 3: Cross multiply
   1,030,147x = 1,515,439 × 1,515,439
4. Step 4: Simplify right side
   1,030,147x = 2,296,555,362,721
5. Step 5: Solve for x
   x = 2,296,555,362,721/1,030,147
6. Step 6: Final answer
   x = 2,229,347.23