Finding the Third Proportional to 74,080.50 and 164,178

Step by Step Solution

1. Step 1: Write the proportion equation
   74,080.50 : 164,178 = 164,178 : x
2. Step 2: Convert to fraction form
   74,080.50/164,178 = 164,178/x
3. Step 3: Cross multiply
   74,080.50x = 164,178 × 164,178
4. Step 4: Simplify right side
   74,080.50x = 26,954,415,684
5. Step 5: Solve for x
   x = 26,954,415,684/74,080.50
6. Step 6: Final answer
   x = 363,853.05