Finding the Third Proportional to 70,411.15 and 145,469.67

Step by Step Solution

1. Step 1: Write the proportion equation
   70,411.15 : 145,469.67 = 145,469.67 : x
2. Step 2: Convert to fraction form
   70,411.15/145,469.67 = 145,469.67/x
3. Step 3: Cross multiply
   70,411.15x = 145,469.67 × 145,469.67
4. Step 4: Simplify right side
   70,411.15x = 21,161,425,435.42
5. Step 5: Solve for x
   x = 21,161,425,435.42/70,411.15
6. Step 6: Final answer
   x = 300,540.84