Finding the Third Proportional to 1,934,878 and 4,518,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934,878 : 4,518,256 = 4,518,256 : x
2. Step 2: Convert to fraction form
   1,934,878/4,518,256 = 4,518,256/x
3. Step 3: Cross multiply
   1,934,878x = 4,518,256 × 4,518,256
4. Step 4: Simplify right side
   1,934,878x = 20,414,637,281,536
5. Step 5: Solve for x
   x = 20,414,637,281,536/1,934,878
6. Step 6: Final answer
   x = 10,550,865.37