Finding the Third Proportional to 70,081.50 and 164,529

Step by Step Solution

1. Step 1: Write the proportion equation
   70,081.50 : 164,529 = 164,529 : x
2. Step 2: Convert to fraction form
   70,081.50/164,529 = 164,529/x
3. Step 3: Cross multiply
   70,081.50x = 164,529 × 164,529
4. Step 4: Simplify right side
   70,081.50x = 27,069,791,841
5. Step 5: Solve for x
   x = 27,069,791,841/70,081.50
6. Step 6: Final answer
   x = 386,261.59