Finding the Third Proportional to 1,145,238 and 2,587,407

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,238 : 2,587,407 = 2,587,407 : x
2. Step 2: Convert to fraction form
   1,145,238/2,587,407 = 2,587,407/x
3. Step 3: Cross multiply
   1,145,238x = 2,587,407 × 2,587,407
4. Step 4: Simplify right side
   1,145,238x = 6,694,674,983,649
5. Step 5: Solve for x
   x = 6,694,674,983,649/1,145,238
6. Step 6: Final answer
   x = 5,845,662.63