Finding the Third Proportional to 1,259,730 and 1,912,923

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259,730 : 1,912,923 = 1,912,923 : x
2. Step 2: Convert to fraction form
   1,259,730/1,912,923 = 1,912,923/x
3. Step 3: Cross multiply
   1,259,730x = 1,912,923 × 1,912,923
4. Step 4: Simplify right side
   1,259,730x = 3,659,274,403,929
5. Step 5: Solve for x
   x = 3,659,274,403,929/1,259,730
6. Step 6: Final answer
   x = 2,904,808.49