Finding the Third Proportional to 1,354,938 and 2,100,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354,938 : 2,100,478 = 2,100,478 : x
2. Step 2: Convert to fraction form
   1,354,938/2,100,478 = 2,100,478/x
3. Step 3: Cross multiply
   1,354,938x = 2,100,478 × 2,100,478
4. Step 4: Simplify right side
   1,354,938x = 4,412,007,828,484
5. Step 5: Solve for x
   x = 4,412,007,828,484/1,354,938
6. Step 6: Final answer
   x = 3,256,243.33