Finding the Third Proportional to 2,131,259 and 4,565,758

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,259 : 4,565,758 = 4,565,758 : x
2. Step 2: Convert to fraction form
   2,131,259/4,565,758 = 4,565,758/x
3. Step 3: Cross multiply
   2,131,259x = 4,565,758 × 4,565,758
4. Step 4: Simplify right side
   2,131,259x = 20,846,146,114,564
5. Step 5: Solve for x
   x = 20,846,146,114,564/2,131,259
6. Step 6: Final answer
   x = 9,781,141.62