Finding the Third Proportional to 85,028.34 and 122,914.69

Step by Step Solution

1. Step 1: Write the proportion equation
   85,028.34 : 122,914.69 = 122,914.69 : x
2. Step 2: Convert to fraction form
   85,028.34/122,914.69 = 122,914.69/x
3. Step 3: Cross multiply
   85,028.34x = 122,914.69 × 122,914.69
4. Step 4: Simplify right side
   85,028.34x = 15,108,020,403.22
5. Step 5: Solve for x
   x = 15,108,020,403.22/85,028.34
6. Step 6: Final answer
   x = 177,682.17