Finding the Third Proportional to 538,142 and 1,141,878

Step by Step Solution

1. Step 1: Write the proportion equation
   538,142 : 1,141,878 = 1,141,878 : x
2. Step 2: Convert to fraction form
   538,142/1,141,878 = 1,141,878/x
3. Step 3: Cross multiply
   538,142x = 1,141,878 × 1,141,878
4. Step 4: Simplify right side
   538,142x = 1,303,885,366,884
5. Step 5: Solve for x
   x = 1,303,885,366,884/538,142
6. Step 6: Final answer
   x = 2,422,939.24