Finding the Third Proportional to 30,351.75 and 61,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,351.75 : 61,906.50 = 61,906.50 : x
2. Step 2: Convert to fraction form
   30,351.75/61,906.50 = 61,906.50/x
3. Step 3: Cross multiply
   30,351.75x = 61,906.50 × 61,906.50
4. Step 4: Simplify right side
   30,351.75x = 3,832,414,742.25
5. Step 5: Solve for x
   x = 3,832,414,742.25/30,351.75
6. Step 6: Final answer
   x = 126,266.68