Finding the Third Proportional to 1,167,660 and 2,485,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,660 : 2,485,980 = 2,485,980 : x
2. Step 2: Convert to fraction form
   1,167,660/2,485,980 = 2,485,980/x
3. Step 3: Cross multiply
   1,167,660x = 2,485,980 × 2,485,980
4. Step 4: Simplify right side
   1,167,660x = 6,180,096,560,400
5. Step 5: Solve for x
   x = 6,180,096,560,400/1,167,660
6. Step 6: Final answer
   x = 5,292,719.25