Finding the Third Proportional to 76,704.47 and 164,069.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,704.47 : 164,069.72 = 164,069.72 : x
2. Step 2: Convert to fraction form
   76,704.47/164,069.72 = 164,069.72/x
3. Step 3: Cross multiply
   76,704.47x = 164,069.72 × 164,069.72
4. Step 4: Simplify right side
   76,704.47x = 26,918,872,610.70
5. Step 5: Solve for x
   x = 26,918,872,610.70/76,704.47
6. Step 6: Final answer
   x = 350,942.69