Finding the Third Proportional to 1,417,923 and 2,179,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,923 : 2,179,440 = 2,179,440 : x
2. Step 2: Convert to fraction form
   1,417,923/2,179,440 = 2,179,440/x
3. Step 3: Cross multiply
   1,417,923x = 2,179,440 × 2,179,440
4. Step 4: Simplify right side
   1,417,923x = 4,749,958,713,600
5. Step 5: Solve for x
   x = 4,749,958,713,600/1,417,923
6. Step 6: Final answer
   x = 3,349,941.23