Finding the Third Proportional to 64,360 and 141,818

Step by Step Solution

1. Step 1: Write the proportion equation
   64,360 : 141,818 = 141,818 : x
2. Step 2: Convert to fraction form
   64,360/141,818 = 141,818/x
3. Step 3: Cross multiply
   64,360x = 141,818 × 141,818
4. Step 4: Simplify right side
   64,360x = 20,112,345,124
5. Step 5: Solve for x
   x = 20,112,345,124/64,360
6. Step 6: Final answer
   x = 312,497.59