Finding the Third Proportional to 1,010,587 and 1,519,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,587 : 1,519,980 = 1,519,980 : x
2. Step 2: Convert to fraction form
   1,010,587/1,519,980 = 1,519,980/x
3. Step 3: Cross multiply
   1,010,587x = 1,519,980 × 1,519,980
4. Step 4: Simplify right side
   1,010,587x = 2,310,339,200,400
5. Step 5: Solve for x
   x = 2,310,339,200,400/1,010,587
6. Step 6: Final answer
   x = 2,286,135.88