Finding the Third Proportional to 140,029.50 and 307,275

Step by Step Solution

1. Step 1: Write the proportion equation
   140,029.50 : 307,275 = 307,275 : x
2. Step 2: Convert to fraction form
   140,029.50/307,275 = 307,275/x
3. Step 3: Cross multiply
   140,029.50x = 307,275 × 307,275
4. Step 4: Simplify right side
   140,029.50x = 94,417,925,625
5. Step 5: Solve for x
   x = 94,417,925,625/140,029.50
6. Step 6: Final answer
   x = 674,271.68