Finding the Third Proportional to 2,131,257 and 4,565,754

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,257 : 4,565,754 = 4,565,754 : x
2. Step 2: Convert to fraction form
   2,131,257/4,565,754 = 4,565,754/x
3. Step 3: Cross multiply
   2,131,257x = 4,565,754 × 4,565,754
4. Step 4: Simplify right side
   2,131,257x = 20,846,109,588,516
5. Step 5: Solve for x
   x = 20,846,109,588,516/2,131,257
6. Step 6: Final answer
   x = 9,781,133.66