Finding the Third Proportional to 140,043 and 307,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,043 : 307,297.50 = 307,297.50 : x
2. Step 2: Convert to fraction form
   140,043/307,297.50 = 307,297.50/x
3. Step 3: Cross multiply
   140,043x = 307,297.50 × 307,297.50
4. Step 4: Simplify right side
   140,043x = 94,431,753,506.25
5. Step 5: Solve for x
   x = 94,431,753,506.25/140,043
6. Step 6: Final answer
   x = 674,305.42