Finding the Third Proportional to 78,477.50 and 167,069

Step by Step Solution

1. Step 1: Write the proportion equation
   78,477.50 : 167,069 = 167,069 : x
2. Step 2: Convert to fraction form
   78,477.50/167,069 = 167,069/x
3. Step 3: Cross multiply
   78,477.50x = 167,069 × 167,069
4. Step 4: Simplify right side
   78,477.50x = 27,912,050,761
5. Step 5: Solve for x
   x = 27,912,050,761/78,477.50
6. Step 6: Final answer
   x = 355,669.47