Finding the Third Proportional to 2,128,194 and 4,594,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,194 : 4,594,020 = 4,594,020 : x
2. Step 2: Convert to fraction form
   2,128,194/4,594,020 = 4,594,020/x
3. Step 3: Cross multiply
   2,128,194x = 4,594,020 × 4,594,020
4. Step 4: Simplify right side
   2,128,194x = 21,105,019,760,400
5. Step 5: Solve for x
   x = 21,105,019,760,400/2,128,194
6. Step 6: Final answer
   x = 9,916,868.37