Finding the Third Proportional to 76,882.50 and 168,912

Step by Step Solution

1. Step 1: Write the proportion equation
   76,882.50 : 168,912 = 168,912 : x
2. Step 2: Convert to fraction form
   76,882.50/168,912 = 168,912/x
3. Step 3: Cross multiply
   76,882.50x = 168,912 × 168,912
4. Step 4: Simplify right side
   76,882.50x = 28,531,263,744
5. Step 5: Solve for x
   x = 28,531,263,744/76,882.50
6. Step 6: Final answer
   x = 371,102.19