Finding the Third Proportional to 1,971,216 and 4,222,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971,216 : 4,222,368 = 4,222,368 : x
2. Step 2: Convert to fraction form
   1,971,216/4,222,368 = 4,222,368/x
3. Step 3: Cross multiply
   1,971,216x = 4,222,368 × 4,222,368
4. Step 4: Simplify right side
   1,971,216x = 17,828,391,527,424
5. Step 5: Solve for x
   x = 17,828,391,527,424/1,971,216
6. Step 6: Final answer
   x = 9,044,362.22