Finding the Third Proportional to 2,131,260 and 4,565,760

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,260 : 4,565,760 = 4,565,760 : x
2. Step 2: Convert to fraction form
   2,131,260/4,565,760 = 4,565,760/x
3. Step 3: Cross multiply
   2,131,260x = 4,565,760 × 4,565,760
4. Step 4: Simplify right side
   2,131,260x = 20,846,164,377,600
5. Step 5: Solve for x
   x = 20,846,164,377,600/2,131,260
6. Step 6: Final answer
   x = 9,781,145.60