Finding the Third Proportional to 615,600 and 1,344,960

Step by Step Solution

1. Step 1: Write the proportion equation
   615,600 : 1,344,960 = 1,344,960 : x
2. Step 2: Convert to fraction form
   615,600/1,344,960 = 1,344,960/x
3. Step 3: Cross multiply
   615,600x = 1,344,960 × 1,344,960
4. Step 4: Simplify right side
   615,600x = 1,808,917,401,600
5. Step 5: Solve for x
   x = 1,808,917,401,600/615,600
6. Step 6: Final answer
   x = 2,938,462.32