Finding the Third Proportional to 140,191.50 and 307,524

Step by Step Solution

1. Step 1: Write the proportion equation
   140,191.50 : 307,524 = 307,524 : x
2. Step 2: Convert to fraction form
   140,191.50/307,524 = 307,524/x
3. Step 3: Cross multiply
   140,191.50x = 307,524 × 307,524
4. Step 4: Simplify right side
   140,191.50x = 94,571,010,576
5. Step 5: Solve for x
   x = 94,571,010,576/140,191.50
6. Step 6: Final answer
   x = 674,584.48