Finding the Third Proportional to 140,280 and 212,094

Step by Step Solution

1. Step 1: Write the proportion equation
   140,280 : 212,094 = 212,094 : x
2. Step 2: Convert to fraction form
   140,280/212,094 = 212,094/x
3. Step 3: Cross multiply
   140,280x = 212,094 × 212,094
4. Step 4: Simplify right side
   140,280x = 44,983,864,836
5. Step 5: Solve for x
   x = 44,983,864,836/140,280
6. Step 6: Final answer
   x = 320,671.98