Finding the Third Proportional to 81,685.69 and 176,942.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,685.69 : 176,942.25 = 176,942.25 : x
2. Step 2: Convert to fraction form
   81,685.69/176,942.25 = 176,942.25/x
3. Step 3: Cross multiply
   81,685.69x = 176,942.25 × 176,942.25
4. Step 4: Simplify right side
   81,685.69x = 31,308,559,835.06
5. Step 5: Solve for x
   x = 31,308,559,835.06/81,685.69
6. Step 6: Final answer
   x = 383,280.85