Finding the Third Proportional to 140,841 and 301,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,841 : 301,720.50 = 301,720.50 : x
2. Step 2: Convert to fraction form
   140,841/301,720.50 = 301,720.50/x
3. Step 3: Cross multiply
   140,841x = 301,720.50 × 301,720.50
4. Step 4: Simplify right side
   140,841x = 91,035,260,120.25
5. Step 5: Solve for x
   x = 91,035,260,120.25/140,841
6. Step 6: Final answer
   x = 646,369.03