Finding the Third Proportional to 127,813 and 268,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,813 : 268,843.50 = 268,843.50 : x
2. Step 2: Convert to fraction form
   127,813/268,843.50 = 268,843.50/x
3. Step 3: Cross multiply
   127,813x = 268,843.50 × 268,843.50
4. Step 4: Simplify right side
   127,813x = 72,276,827,492.25
5. Step 5: Solve for x
   x = 72,276,827,492.25/127,813
6. Step 6: Final answer
   x = 565,488.86