Finding the Third Proportional to 1,115,211 and 2,374,278

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,211 : 2,374,278 = 2,374,278 : x
2. Step 2: Convert to fraction form
   1,115,211/2,374,278 = 2,374,278/x
3. Step 3: Cross multiply
   1,115,211x = 2,374,278 × 2,374,278
4. Step 4: Simplify right side
   1,115,211x = 5,637,196,021,284
5. Step 5: Solve for x
   x = 5,637,196,021,284/1,115,211
6. Step 6: Final answer
   x = 5,054,824.62