Finding the Third Proportional to 124,870 and 269,690

Step by Step Solution

1. Step 1: Write the proportion equation
   124,870 : 269,690 = 269,690 : x
2. Step 2: Convert to fraction form
   124,870/269,690 = 269,690/x
3. Step 3: Cross multiply
   124,870x = 269,690 × 269,690
4. Step 4: Simplify right side
   124,870x = 72,732,696,100
5. Step 5: Solve for x
   x = 72,732,696,100/124,870
6. Step 6: Final answer
   x = 582,467.33