Finding the Third Proportional to 67,528.69 and 145,064.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,528.69 : 145,064.25 = 145,064.25 : x
2. Step 2: Convert to fraction form
   67,528.69/145,064.25 = 145,064.25/x
3. Step 3: Cross multiply
   67,528.69x = 145,064.25 × 145,064.25
4. Step 4: Simplify right side
   67,528.69x = 21,043,636,628.06
5. Step 5: Solve for x
   x = 21,043,636,628.06/67,528.69
6. Step 6: Final answer
   x = 311,625.14