Finding the Third Proportional to 140,341.50 and 300,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,341.50 : 300,001.50 = 300,001.50 : x
2. Step 2: Convert to fraction form
   140,341.50/300,001.50 = 300,001.50/x
3. Step 3: Cross multiply
   140,341.50x = 300,001.50 × 300,001.50
4. Step 4: Simplify right side
   140,341.50x = 90,000,900,002.25
5. Step 5: Solve for x
   x = 90,000,900,002.25/140,341.50
6. Step 6: Final answer
   x = 641,299.26