Finding the Third Proportional to 140,940 and 296,642.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,940 : 296,642.25 = 296,642.25 : x
2. Step 2: Convert to fraction form
   140,940/296,642.25 = 296,642.25/x
3. Step 3: Cross multiply
   140,940x = 296,642.25 × 296,642.25
4. Step 4: Simplify right side
   140,940x = 87,996,624,485.06
5. Step 5: Solve for x
   x = 87,996,624,485.06/140,940
6. Step 6: Final answer
   x = 624,355.22