Finding the Third Proportional to 30,309 and 40,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,309 : 40,770.50 = 40,770.50 : x
2. Step 2: Convert to fraction form
   30,309/40,770.50 = 40,770.50/x
3. Step 3: Cross multiply
   30,309x = 40,770.50 × 40,770.50
4. Step 4: Simplify right side
   30,309x = 1,662,233,670.25
5. Step 5: Solve for x
   x = 1,662,233,670.25/30,309
6. Step 6: Final answer
   x = 54,842.91