Finding the Third Proportional to 89,068.50 and 186,777

Step by Step Solution

1. Step 1: Write the proportion equation
   89,068.50 : 186,777 = 186,777 : x
2. Step 2: Convert to fraction form
   89,068.50/186,777 = 186,777/x
3. Step 3: Cross multiply
   89,068.50x = 186,777 × 186,777
4. Step 4: Simplify right side
   89,068.50x = 34,885,647,729
5. Step 5: Solve for x
   x = 34,885,647,729/89,068.50
6. Step 6: Final answer
   x = 391,672.11