Finding the Third Proportional to 67,617 and 144,614.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,617 : 144,614.25 = 144,614.25 : x
2. Step 2: Convert to fraction form
   67,617/144,614.25 = 144,614.25/x
3. Step 3: Cross multiply
   67,617x = 144,614.25 × 144,614.25
4. Step 4: Simplify right side
   67,617x = 20,913,281,303.06
5. Step 5: Solve for x
   x = 20,913,281,303.06/67,617
6. Step 6: Final answer
   x = 309,290.29