Finding the Third Proportional to 145,166 and 311,068

Step by Step Solution

1. Step 1: Write the proportion equation
   145,166 : 311,068 = 311,068 : x
2. Step 2: Convert to fraction form
   145,166/311,068 = 311,068/x
3. Step 3: Cross multiply
   145,166x = 311,068 × 311,068
4. Step 4: Simplify right side
   145,166x = 96,763,300,624
5. Step 5: Solve for x
   x = 96,763,300,624/145,166
6. Step 6: Final answer
   x = 666,570.00