Finding the Third Proportional to 124,421 and 188,936

Step by Step Solution

1. Step 1: Write the proportion equation
   124,421 : 188,936 = 188,936 : x
2. Step 2: Convert to fraction form
   124,421/188,936 = 188,936/x
3. Step 3: Cross multiply
   124,421x = 188,936 × 188,936
4. Step 4: Simplify right side
   124,421x = 35,696,812,096
5. Step 5: Solve for x
   x = 35,696,812,096/124,421
6. Step 6: Final answer
   x = 286,903.43