Finding the Third Proportional to 144,744 and 314,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,744 : 314,242.50 = 314,242.50 : x
2. Step 2: Convert to fraction form
   144,744/314,242.50 = 314,242.50/x
3. Step 3: Cross multiply
   144,744x = 314,242.50 × 314,242.50
4. Step 4: Simplify right side
   144,744x = 98,748,348,806.25
5. Step 5: Solve for x
   x = 98,748,348,806.25/144,744
6. Step 6: Final answer
   x = 682,227.58