Finding the Third Proportional to 1,229,216 and 1,928,278

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229,216 : 1,928,278 = 1,928,278 : x
2. Step 2: Convert to fraction form
   1,229,216/1,928,278 = 1,928,278/x
3. Step 3: Cross multiply
   1,229,216x = 1,928,278 × 1,928,278
4. Step 4: Simplify right side
   1,229,216x = 3,718,256,045,284
5. Step 5: Solve for x
   x = 3,718,256,045,284/1,229,216
6. Step 6: Final answer
   x = 3,024,900.46