Finding the Third Proportional to 140,870 and 293,368

Step by Step Solution

1. Step 1: Write the proportion equation
   140,870 : 293,368 = 293,368 : x
2. Step 2: Convert to fraction form
   140,870/293,368 = 293,368/x
3. Step 3: Cross multiply
   140,870x = 293,368 × 293,368
4. Step 4: Simplify right side
   140,870x = 86,064,783,424
5. Step 5: Solve for x
   x = 86,064,783,424/140,870
6. Step 6: Final answer
   x = 610,951.82