Finding the Third Proportional to 134,645 and 283,870

Step by Step Solution

1. Step 1: Write the proportion equation
   134,645 : 283,870 = 283,870 : x
2. Step 2: Convert to fraction form
   134,645/283,870 = 283,870/x
3. Step 3: Cross multiply
   134,645x = 283,870 × 283,870
4. Step 4: Simplify right side
   134,645x = 80,582,176,900
5. Step 5: Solve for x
   x = 80,582,176,900/134,645
6. Step 6: Final answer
   x = 598,478.79