Finding the Third Proportional to 1,109,980 and 1,660,503

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,980 : 1,660,503 = 1,660,503 : x
2. Step 2: Convert to fraction form
   1,109,980/1,660,503 = 1,660,503/x
3. Step 3: Cross multiply
   1,109,980x = 1,660,503 × 1,660,503
4. Step 4: Simplify right side
   1,109,980x = 2,757,270,213,009
5. Step 5: Solve for x
   x = 2,757,270,213,009/1,109,980
6. Step 6: Final answer
   x = 2,484,071.98