Finding the Third Proportional to 1,224,836 and 1,838,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,836 : 1,838,478 = 1,838,478 : x
2. Step 2: Convert to fraction form
   1,224,836/1,838,478 = 1,838,478/x
3. Step 3: Cross multiply
   1,224,836x = 1,838,478 × 1,838,478
4. Step 4: Simplify right side
   1,224,836x = 3,380,001,356,484
5. Step 5: Solve for x
   x = 3,380,001,356,484/1,224,836
6. Step 6: Final answer
   x = 2,759,554.22