Finding the Third Proportional to 124,858.50 and 275,166

Step by Step Solution

1. Step 1: Write the proportion equation
   124,858.50 : 275,166 = 275,166 : x
2. Step 2: Convert to fraction form
   124,858.50/275,166 = 275,166/x
3. Step 3: Cross multiply
   124,858.50x = 275,166 × 275,166
4. Step 4: Simplify right side
   124,858.50x = 75,716,327,556
5. Step 5: Solve for x
   x = 75,716,327,556/124,858.50
6. Step 6: Final answer
   x = 606,417.08