Finding the Third Proportional to 140,034 and 307,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,034 : 307,279.50 = 307,279.50 : x
2. Step 2: Convert to fraction form
   140,034/307,279.50 = 307,279.50/x
3. Step 3: Cross multiply
   140,034x = 307,279.50 × 307,279.50
4. Step 4: Simplify right side
   140,034x = 94,420,691,120.25
5. Step 5: Solve for x
   x = 94,420,691,120.25/140,034
6. Step 6: Final answer
   x = 674,269.76