Finding the Third Proportional to 1,499,665 and 2,143,009

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,665 : 2,143,009 = 2,143,009 : x
2. Step 2: Convert to fraction form
   1,499,665/2,143,009 = 2,143,009/x
3. Step 3: Cross multiply
   1,499,665x = 2,143,009 × 2,143,009
4. Step 4: Simplify right side
   1,499,665x = 4,592,487,574,081
5. Step 5: Solve for x
   x = 4,592,487,574,081/1,499,665
6. Step 6: Final answer
   x = 3,062,342.31