Finding the Third Proportional to 1,961,378 and 4,248,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,961,378 : 4,248,256 = 4,248,256 : x
2. Step 2: Convert to fraction form
   1,961,378/4,248,256 = 4,248,256/x
3. Step 3: Cross multiply
   1,961,378x = 4,248,256 × 4,248,256
4. Step 4: Simplify right side
   1,961,378x = 18,047,679,041,536
5. Step 5: Solve for x
   x = 18,047,679,041,536/1,961,378
6. Step 6: Final answer
   x = 9,201,530.27