Finding the Third Proportional to 70,697.25 and 146,315.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,697.25 : 146,315.25 = 146,315.25 : x
2. Step 2: Convert to fraction form
   70,697.25/146,315.25 = 146,315.25/x
3. Step 3: Cross multiply
   70,697.25x = 146,315.25 × 146,315.25
4. Step 4: Simplify right side
   70,697.25x = 21,408,152,382.56
5. Step 5: Solve for x
   x = 21,408,152,382.56/70,697.25
6. Step 6: Final answer
   x = 302,814.50