Finding the Third Proportional to 124,840 and 187,064

Step by Step Solution

1. Step 1: Write the proportion equation
   124,840 : 187,064 = 187,064 : x
2. Step 2: Convert to fraction form
   124,840/187,064 = 187,064/x
3. Step 3: Cross multiply
   124,840x = 187,064 × 187,064
4. Step 4: Simplify right side
   124,840x = 34,992,940,096
5. Step 5: Solve for x
   x = 34,992,940,096/124,840
6. Step 6: Final answer
   x = 280,302.31