Finding the Third Proportional to 127,858.50 and 268,974

Step by Step Solution

1. Step 1: Write the proportion equation
   127,858.50 : 268,974 = 268,974 : x
2. Step 2: Convert to fraction form
   127,858.50/268,974 = 268,974/x
3. Step 3: Cross multiply
   127,858.50x = 268,974 × 268,974
4. Step 4: Simplify right side
   127,858.50x = 72,347,012,676
5. Step 5: Solve for x
   x = 72,347,012,676/127,858.50
6. Step 6: Final answer
   x = 565,836.55