Finding the Third Proportional to 78,466.50 and 167,706

Step by Step Solution

1. Step 1: Write the proportion equation
   78,466.50 : 167,706 = 167,706 : x
2. Step 2: Convert to fraction form
   78,466.50/167,706 = 167,706/x
3. Step 3: Cross multiply
   78,466.50x = 167,706 × 167,706
4. Step 4: Simplify right side
   78,466.50x = 28,125,302,436
5. Step 5: Solve for x
   x = 28,125,302,436/78,466.50
6. Step 6: Final answer
   x = 358,437.07