Finding the Third Proportional to 1,207,244 and 2,558,398

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,244 : 2,558,398 = 2,558,398 : x
2. Step 2: Convert to fraction form
   1,207,244/2,558,398 = 2,558,398/x
3. Step 3: Cross multiply
   1,207,244x = 2,558,398 × 2,558,398
4. Step 4: Simplify right side
   1,207,244x = 6,545,400,326,404
5. Step 5: Solve for x
   x = 6,545,400,326,404/1,207,244
6. Step 6: Final answer
   x = 5,421,770.85