Finding the Third Proportional to 1,138,485 and 2,445,809

Step by Step Solution

1. Step 1: Write the proportion equation
   1,138,485 : 2,445,809 = 2,445,809 : x
2. Step 2: Convert to fraction form
   1,138,485/2,445,809 = 2,445,809/x
3. Step 3: Cross multiply
   1,138,485x = 2,445,809 × 2,445,809
4. Step 4: Simplify right side
   1,138,485x = 5,981,981,664,481
5. Step 5: Solve for x
   x = 5,981,981,664,481/1,138,485
6. Step 6: Final answer
   x = 5,254,335.07