Finding the Third Proportional to 1,438,448 and 2,072,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,448 : 2,072,040 = 2,072,040 : x
2. Step 2: Convert to fraction form
   1,438,448/2,072,040 = 2,072,040/x
3. Step 3: Cross multiply
   1,438,448x = 2,072,040 × 2,072,040
4. Step 4: Simplify right side
   1,438,448x = 4,293,349,761,600
5. Step 5: Solve for x
   x = 4,293,349,761,600/1,438,448
6. Step 6: Final answer
   x = 2,984,709.74