Finding the Third Proportional to 1,207,625 and 2,559,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,625 : 2,559,228 = 2,559,228 : x
2. Step 2: Convert to fraction form
   1,207,625/2,559,228 = 2,559,228/x
3. Step 3: Cross multiply
   1,207,625x = 2,559,228 × 2,559,228
4. Step 4: Simplify right side
   1,207,625x = 6,549,647,955,984
5. Step 5: Solve for x
   x = 6,549,647,955,984/1,207,625
6. Step 6: Final answer
   x = 5,423,577.65