Finding the Third Proportional to 2,122,369 and 4,580,845

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,369 : 4,580,845 = 4,580,845 : x
2. Step 2: Convert to fraction form
   2,122,369/4,580,845 = 4,580,845/x
3. Step 3: Cross multiply
   2,122,369x = 4,580,845 × 4,580,845
4. Step 4: Simplify right side
   2,122,369x = 20,984,140,914,025
5. Step 5: Solve for x
   x = 20,984,140,914,025/2,122,369
6. Step 6: Final answer
   x = 9,887,131.27