Finding the Third Proportional to 69,360 and 147,360

Step by Step Solution

1. Step 1: Write the proportion equation
   69,360 : 147,360 = 147,360 : x
2. Step 2: Convert to fraction form
   69,360/147,360 = 147,360/x
3. Step 3: Cross multiply
   69,360x = 147,360 × 147,360
4. Step 4: Simplify right side
   69,360x = 21,714,969,600
5. Step 5: Solve for x
   x = 21,714,969,600/69,360
6. Step 6: Final answer
   x = 313,076.26