Finding the Third Proportional to 85,105.69 and 185,748.19

Step by Step Solution

1. Step 1: Write the proportion equation
   85,105.69 : 185,748.19 = 185,748.19 : x
2. Step 2: Convert to fraction form
   85,105.69/185,748.19 = 185,748.19/x
3. Step 3: Cross multiply
   85,105.69x = 185,748.19 × 185,748.19
4. Step 4: Simplify right side
   85,105.69x = 34,502,389,159.54
5. Step 5: Solve for x
   x = 34,502,389,159.54/85,105.69
6. Step 6: Final answer
   x = 405,406.39