Finding the Third Proportional to 140,031 and 307,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,031 : 307,273.50 = 307,273.50 : x
2. Step 2: Convert to fraction form
   140,031/307,273.50 = 307,273.50/x
3. Step 3: Cross multiply
   140,031x = 307,273.50 × 307,273.50
4. Step 4: Simplify right side
   140,031x = 94,417,003,802.25
5. Step 5: Solve for x
   x = 94,417,003,802.25/140,031
6. Step 6: Final answer
   x = 674,257.87