Finding the Third Proportional to 2,131,034 and 3,259,972

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,034 : 3,259,972 = 3,259,972 : x
2. Step 2: Convert to fraction form
   2,131,034/3,259,972 = 3,259,972/x
3. Step 3: Cross multiply
   2,131,034x = 3,259,972 × 3,259,972
4. Step 4: Simplify right side
   2,131,034x = 10,627,417,440,784
5. Step 5: Solve for x
   x = 10,627,417,440,784/2,131,034
6. Step 6: Final answer
   x = 4,986,976.95