Finding the Third Proportional to 1,154,448 and 1,686,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,448 : 1,686,984 = 1,686,984 : x
2. Step 2: Convert to fraction form
   1,154,448/1,686,984 = 1,686,984/x
3. Step 3: Cross multiply
   1,154,448x = 1,686,984 × 1,686,984
4. Step 4: Simplify right side
   1,154,448x = 2,845,915,016,256
5. Step 5: Solve for x
   x = 2,845,915,016,256/1,154,448
6. Step 6: Final answer
   x = 2,465,173.85