Finding the Third Proportional to 1,188,666 and 1,805,729

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,666 : 1,805,729 = 1,805,729 : x
2. Step 2: Convert to fraction form
   1,188,666/1,805,729 = 1,805,729/x
3. Step 3: Cross multiply
   1,188,666x = 1,805,729 × 1,805,729
4. Step 4: Simplify right side
   1,188,666x = 3,260,657,221,441
5. Step 5: Solve for x
   x = 3,260,657,221,441/1,188,666
6. Step 6: Final answer
   x = 2,743,123.15