Finding the Third Proportional to 2,139,492 and 3,143,754

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,492 : 3,143,754 = 3,143,754 : x
2. Step 2: Convert to fraction form
   2,139,492/3,143,754 = 3,143,754/x
3. Step 3: Cross multiply
   2,139,492x = 3,143,754 × 3,143,754
4. Step 4: Simplify right side
   2,139,492x = 9,883,189,212,516
5. Step 5: Solve for x
   x = 9,883,189,212,516/2,139,492
6. Step 6: Final answer
   x = 4,619,409.29