Finding the Third Proportional to 1,473,638 and 2,215,929

Step by Step Solution

1. Step 1: Write the proportion equation
   1,473,638 : 2,215,929 = 2,215,929 : x
2. Step 2: Convert to fraction form
   1,473,638/2,215,929 = 2,215,929/x
3. Step 3: Cross multiply
   1,473,638x = 2,215,929 × 2,215,929
4. Step 4: Simplify right side
   1,473,638x = 4,910,341,333,041
5. Step 5: Solve for x
   x = 4,910,341,333,041/1,473,638
6. Step 6: Final answer
   x = 3,332,121.82