Finding the Third Proportional to 744,660 and 1,179,684

Step by Step Solution

1. Step 1: Write the proportion equation
   744,660 : 1,179,684 = 1,179,684 : x
2. Step 2: Convert to fraction form
   744,660/1,179,684 = 1,179,684/x
3. Step 3: Cross multiply
   744,660x = 1,179,684 × 1,179,684
4. Step 4: Simplify right side
   744,660x = 1,391,654,339,856
5. Step 5: Solve for x
   x = 1,391,654,339,856/744,660
6. Step 6: Final answer
   x = 1,868,845.30