Finding the Third Proportional to 124,620 and 188,416.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,620 : 188,416.50 = 188,416.50 : x
2. Step 2: Convert to fraction form
   124,620/188,416.50 = 188,416.50/x
3. Step 3: Cross multiply
   124,620x = 188,416.50 × 188,416.50
4. Step 4: Simplify right side
   124,620x = 35,500,777,472.25
5. Step 5: Solve for x
   x = 35,500,777,472.25/124,620
6. Step 6: Final answer
   x = 284,872.23