Finding the Third Proportional to 2,141,172 and 3,131,352

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,172 : 3,131,352 = 3,131,352 : x
2. Step 2: Convert to fraction form
   2,141,172/3,131,352 = 3,131,352/x
3. Step 3: Cross multiply
   2,141,172x = 3,131,352 × 3,131,352
4. Step 4: Simplify right side
   2,141,172x = 9,805,365,347,904
5. Step 5: Solve for x
   x = 9,805,365,347,904/2,141,172
6. Step 6: Final answer
   x = 4,579,438.43