Finding the Third Proportional to 78,466.50 and 169,812

Step by Step Solution

1. Step 1: Write the proportion equation
   78,466.50 : 169,812 = 169,812 : x
2. Step 2: Convert to fraction form
   78,466.50/169,812 = 169,812/x
3. Step 3: Cross multiply
   78,466.50x = 169,812 × 169,812
4. Step 4: Simplify right side
   78,466.50x = 28,836,115,344
5. Step 5: Solve for x
   x = 28,836,115,344/78,466.50
6. Step 6: Final answer
   x = 367,495.88