Finding the Third Proportional to 124,621.50 and 186,885

Step by Step Solution

1. Step 1: Write the proportion equation
   124,621.50 : 186,885 = 186,885 : x
2. Step 2: Convert to fraction form
   124,621.50/186,885 = 186,885/x
3. Step 3: Cross multiply
   124,621.50x = 186,885 × 186,885
4. Step 4: Simplify right side
   124,621.50x = 34,926,003,225
5. Step 5: Solve for x
   x = 34,926,003,225/124,621.50
6. Step 6: Final answer
   x = 280,256.64