Finding the Third Proportional to 140,800 and 293,208

Step by Step Solution

1. Step 1: Write the proportion equation
   140,800 : 293,208 = 293,208 : x
2. Step 2: Convert to fraction form
   140,800/293,208 = 293,208/x
3. Step 3: Cross multiply
   140,800x = 293,208 × 293,208
4. Step 4: Simplify right side
   140,800x = 85,970,931,264
5. Step 5: Solve for x
   x = 85,970,931,264/140,800
6. Step 6: Final answer
   x = 610,589.00