Finding the Third Proportional to 608,960 and 1,308,640

Step by Step Solution

1. Step 1: Write the proportion equation
   608,960 : 1,308,640 = 1,308,640 : x
2. Step 2: Convert to fraction form
   608,960/1,308,640 = 1,308,640/x
3. Step 3: Cross multiply
   608,960x = 1,308,640 × 1,308,640
4. Step 4: Simplify right side
   608,960x = 1,712,538,649,600
5. Step 5: Solve for x
   x = 1,712,538,649,600/608,960
6. Step 6: Final answer
   x = 2,812,235.04