Finding the Third Proportional to 2,141,012 and 3,131,139

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,012 : 3,131,139 = 3,131,139 : x
2. Step 2: Convert to fraction form
   2,141,012/3,131,139 = 3,131,139/x
3. Step 3: Cross multiply
   2,141,012x = 3,131,139 × 3,131,139
4. Step 4: Simplify right side
   2,141,012x = 9,804,031,437,321
5. Step 5: Solve for x
   x = 9,804,031,437,321/2,141,012
6. Step 6: Final answer
   x = 4,579,157.63