Finding the Third Proportional to 1,475,160 and 2,278,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475,160 : 2,278,256 = 2,278,256 : x
2. Step 2: Convert to fraction form
   1,475,160/2,278,256 = 2,278,256/x
3. Step 3: Cross multiply
   1,475,160x = 2,278,256 × 2,278,256
4. Step 4: Simplify right side
   1,475,160x = 5,190,450,401,536
5. Step 5: Solve for x
   x = 5,190,450,401,536/1,475,160
6. Step 6: Final answer
   x = 3,518,567.75