Finding the Third Proportional to 140,080 and 307,358

Step by Step Solution

1. Step 1: Write the proportion equation
   140,080 : 307,358 = 307,358 : x
2. Step 2: Convert to fraction form
   140,080/307,358 = 307,358/x
3. Step 3: Cross multiply
   140,080x = 307,358 × 307,358
4. Step 4: Simplify right side
   140,080x = 94,468,940,164
5. Step 5: Solve for x
   x = 94,468,940,164/140,080
6. Step 6: Final answer
   x = 674,392.78