Finding the Third Proportional to 127,424.81 and 202,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,424.81 : 202,436.72 = 202,436.72 : x
2. Step 2: Convert to fraction form
   127,424.81/202,436.72 = 202,436.72/x
3. Step 3: Cross multiply
   127,424.81x = 202,436.72 × 202,436.72
4. Step 4: Simplify right side
   127,424.81x = 40,980,625,098.27
5. Step 5: Solve for x
   x = 40,980,625,098.27/127,424.81
6. Step 6: Final answer
   x = 321,606.32