Finding the Third Proportional to 2,231,345 and 4,580,305

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,345 : 4,580,305 = 4,580,305 : x
2. Step 2: Convert to fraction form
   2,231,345/4,580,305 = 4,580,305/x
3. Step 3: Cross multiply
   2,231,345x = 4,580,305 × 4,580,305
4. Step 4: Simplify right side
   2,231,345x = 20,979,193,893,025
5. Step 5: Solve for x
   x = 20,979,193,893,025/2,231,345
6. Step 6: Final answer
   x = 9,402,039.53