Finding the Third Proportional to 89,357.50 and 186,068

Step by Step Solution

1. Step 1: Write the proportion equation
   89,357.50 : 186,068 = 186,068 : x
2. Step 2: Convert to fraction form
   89,357.50/186,068 = 186,068/x
3. Step 3: Cross multiply
   89,357.50x = 186,068 × 186,068
4. Step 4: Simplify right side
   89,357.50x = 34,621,300,624
5. Step 5: Solve for x
   x = 34,621,300,624/89,357.50
6. Step 6: Final answer
   x = 387,447.06