Finding the Third Proportional to 2,218,353 and 4,772,958

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,353 : 4,772,958 = 4,772,958 : x
2. Step 2: Convert to fraction form
   2,218,353/4,772,958 = 4,772,958/x
3. Step 3: Cross multiply
   2,218,353x = 4,772,958 × 4,772,958
4. Step 4: Simplify right side
   2,218,353x = 22,781,128,069,764
5. Step 5: Solve for x
   x = 22,781,128,069,764/2,218,353
6. Step 6: Final answer
   x = 10,269,388.18