Finding the Third Proportional to 30,885.75 and 63,114.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,885.75 : 63,114.75 = 63,114.75 : x
2. Step 2: Convert to fraction form
   30,885.75/63,114.75 = 63,114.75/x
3. Step 3: Cross multiply
   30,885.75x = 63,114.75 × 63,114.75
4. Step 4: Simplify right side
   30,885.75x = 3,983,471,667.56
5. Step 5: Solve for x
   x = 3,983,471,667.56/30,885.75
6. Step 6: Final answer
   x = 128,974.42