Finding the Third Proportional to 64,530 and 141,770.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,530 : 141,770.25 = 141,770.25 : x
2. Step 2: Convert to fraction form
   64,530/141,770.25 = 141,770.25/x
3. Step 3: Cross multiply
   64,530x = 141,770.25 × 141,770.25
4. Step 4: Simplify right side
   64,530x = 20,098,803,785.06
5. Step 5: Solve for x
   x = 20,098,803,785.06/64,530
6. Step 6: Final answer
   x = 311,464.49