Finding the Third Proportional to 1,112,257 and 2,428,391

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,257 : 2,428,391 = 2,428,391 : x
2. Step 2: Convert to fraction form
   1,112,257/2,428,391 = 2,428,391/x
3. Step 3: Cross multiply
   1,112,257x = 2,428,391 × 2,428,391
4. Step 4: Simplify right side
   1,112,257x = 5,897,082,848,881
5. Step 5: Solve for x
   x = 5,897,082,848,881/1,112,257
6. Step 6: Final answer
   x = 5,301,906.71