Finding the Third Proportional to 140,707.13 and 301,097.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,707.13 : 301,097.25 = 301,097.25 : x
2. Step 2: Convert to fraction form
   140,707.13/301,097.25 = 301,097.25/x
3. Step 3: Cross multiply
   140,707.13x = 301,097.25 × 301,097.25
4. Step 4: Simplify right side
   140,707.13x = 90,659,553,957.56
5. Step 5: Solve for x
   x = 90,659,553,957.56/140,707.13
6. Step 6: Final answer
   x = 644,313.88