Finding the Third Proportional to 62,949.94 and 128,808.56

Step by Step Solution

1. Step 1: Write the proportion equation
   62,949.94 : 128,808.56 = 128,808.56 : x
2. Step 2: Convert to fraction form
   62,949.94/128,808.56 = 128,808.56/x
3. Step 3: Cross multiply
   62,949.94x = 128,808.56 × 128,808.56
4. Step 4: Simplify right side
   62,949.94x = 16,591,645,773.32
5. Step 5: Solve for x
   x = 16,591,645,773.32/62,949.94
6. Step 6: Final answer
   x = 263,568.90