Finding the Third Proportional to 68,034.94 and 147,718.69

Step by Step Solution

1. Step 1: Write the proportion equation
   68,034.94 : 147,718.69 = 147,718.69 : x
2. Step 2: Convert to fraction form
   68,034.94/147,718.69 = 147,718.69/x
3. Step 3: Cross multiply
   68,034.94x = 147,718.69 × 147,718.69
4. Step 4: Simplify right side
   68,034.94x = 21,820,810,636.72
5. Step 5: Solve for x
   x = 21,820,810,636.72/68,034.94
6. Step 6: Final answer
   x = 320,729.49