Finding the Third Proportional to 140,244 and 300,159

Step by Step Solution

1. Step 1: Write the proportion equation
   140,244 : 300,159 = 300,159 : x
2. Step 2: Convert to fraction form
   140,244/300,159 = 300,159/x
3. Step 3: Cross multiply
   140,244x = 300,159 × 300,159
4. Step 4: Simplify right side
   140,244x = 90,095,425,281
5. Step 5: Solve for x
   x = 90,095,425,281/140,244
6. Step 6: Final answer
   x = 642,419.11