Finding the Third Proportional to 1,070,121 and 2,228,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070,121 : 2,228,816 = 2,228,816 : x
2. Step 2: Convert to fraction form
   1,070,121/2,228,816 = 2,228,816/x
3. Step 3: Cross multiply
   1,070,121x = 2,228,816 × 2,228,816
4. Step 4: Simplify right side
   1,070,121x = 4,967,620,761,856
5. Step 5: Solve for x
   x = 4,967,620,761,856/1,070,121
6. Step 6: Final answer
   x = 4,642,111.28