Finding the Third Proportional to 598,839 and 1,225,620

Step by Step Solution

1. Step 1: Write the proportion equation
   598,839 : 1,225,620 = 1,225,620 : x
2. Step 2: Convert to fraction form
   598,839/1,225,620 = 1,225,620/x
3. Step 3: Cross multiply
   598,839x = 1,225,620 × 1,225,620
4. Step 4: Simplify right side
   598,839x = 1,502,144,384,400
5. Step 5: Solve for x
   x = 1,502,144,384,400/598,839
6. Step 6: Final answer
   x = 2,508,427.78