Finding the Third Proportional to 140,985 and 307,694.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,985 : 307,694.25 = 307,694.25 : x
2. Step 2: Convert to fraction form
   140,985/307,694.25 = 307,694.25/x
3. Step 3: Cross multiply
   140,985x = 307,694.25 × 307,694.25
4. Step 4: Simplify right side
   140,985x = 94,675,751,483.06
5. Step 5: Solve for x
   x = 94,675,751,483.06/140,985
6. Step 6: Final answer
   x = 671,530.67