Finding the Third Proportional to 30,270 and 43,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,270 : 43,240.50 = 43,240.50 : x
2. Step 2: Convert to fraction form
   30,270/43,240.50 = 43,240.50/x
3. Step 3: Cross multiply
   30,270x = 43,240.50 × 43,240.50
4. Step 4: Simplify right side
   30,270x = 1,869,740,840.25
5. Step 5: Solve for x
   x = 1,869,740,840.25/30,270
6. Step 6: Final answer
   x = 61,768.78