Finding the Third Proportional to 2,100,582 and 5,064,345

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100,582 : 5,064,345 = 5,064,345 : x
2. Step 2: Convert to fraction form
   2,100,582/5,064,345 = 5,064,345/x
3. Step 3: Cross multiply
   2,100,582x = 5,064,345 × 5,064,345
4. Step 4: Simplify right side
   2,100,582x = 25,647,590,279,025
5. Step 5: Solve for x
   x = 25,647,590,279,025/2,100,582
6. Step 6: Final answer
   x = 12,209,754.38