Finding the Third Proportional to 657,600 and 1,436,960

Step by Step Solution

1. Step 1: Write the proportion equation
   657,600 : 1,436,960 = 1,436,960 : x
2. Step 2: Convert to fraction form
   657,600/1,436,960 = 1,436,960/x
3. Step 3: Cross multiply
   657,600x = 1,436,960 × 1,436,960
4. Step 4: Simplify right side
   657,600x = 2,064,854,041,600
5. Step 5: Solve for x
   x = 2,064,854,041,600/657,600
6. Step 6: Final answer
   x = 3,139,984.86