Finding the Third Proportional to 1,126,640 and 2,505,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126,640 : 2,505,168 = 2,505,168 : x
2. Step 2: Convert to fraction form
   1,126,640/2,505,168 = 2,505,168/x
3. Step 3: Cross multiply
   1,126,640x = 2,505,168 × 2,505,168
4. Step 4: Simplify right side
   1,126,640x = 6,275,866,708,224
5. Step 5: Solve for x
   x = 6,275,866,708,224/1,126,640
6. Step 6: Final answer
   x = 5,570,427.74