Finding the Third Proportional to 39,121.03 and 84,315.94

Step by Step Solution

1. Step 1: Write the proportion equation
   39,121.03 : 84,315.94 = 84,315.94 : x
2. Step 2: Convert to fraction form
   39,121.03/84,315.94 = 84,315.94/x
3. Step 3: Cross multiply
   39,121.03x = 84,315.94 × 84,315.94
4. Step 4: Simplify right side
   39,121.03x = 7,109,177,316.50
5. Step 5: Solve for x
   x = 7,109,177,316.50/39,121.03
6. Step 6: Final answer
   x = 181,722.65