Finding the Third Proportional to 140,097 and 299,876

Step by Step Solution

1. Step 1: Write the proportion equation
   140,097 : 299,876 = 299,876 : x
2. Step 2: Convert to fraction form
   140,097/299,876 = 299,876/x
3. Step 3: Cross multiply
   140,097x = 299,876 × 299,876
4. Step 4: Simplify right side
   140,097x = 89,925,615,376
5. Step 5: Solve for x
   x = 89,925,615,376/140,097
6. Step 6: Final answer
   x = 641,881.09