Finding the Third Proportional to 1,385,918 and 2,073,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,918 : 2,073,228 = 2,073,228 : x
2. Step 2: Convert to fraction form
   1,385,918/2,073,228 = 2,073,228/x
3. Step 3: Cross multiply
   1,385,918x = 2,073,228 × 2,073,228
4. Step 4: Simplify right side
   1,385,918x = 4,298,274,339,984
5. Step 5: Solve for x
   x = 4,298,274,339,984/1,385,918
6. Step 6: Final answer
   x = 3,101,391.53