Finding the Third Proportional to 78,000 and 168,968

Step by Step Solution

1. Step 1: Write the proportion equation
   78,000 : 168,968 = 168,968 : x
2. Step 2: Convert to fraction form
   78,000/168,968 = 168,968/x
3. Step 3: Cross multiply
   78,000x = 168,968 × 168,968
4. Step 4: Simplify right side
   78,000x = 28,550,185,024
5. Step 5: Solve for x
   x = 28,550,185,024/78,000
6. Step 6: Final answer
   x = 366,028.01