Finding the Third Proportional to 2,122,375 and 4,580,858

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,375 : 4,580,858 = 4,580,858 : x
2. Step 2: Convert to fraction form
   2,122,375/4,580,858 = 4,580,858/x
3. Step 3: Cross multiply
   2,122,375x = 4,580,858 × 4,580,858
4. Step 4: Simplify right side
   2,122,375x = 20,984,260,016,164
5. Step 5: Solve for x
   x = 20,984,260,016,164/2,122,375
6. Step 6: Final answer
   x = 9,887,159.44