Finding the Third Proportional to 140,085 and 323,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,085 : 323,968.50 = 323,968.50 : x
2. Step 2: Convert to fraction form
   140,085/323,968.50 = 323,968.50/x
3. Step 3: Cross multiply
   140,085x = 323,968.50 × 323,968.50
4. Step 4: Simplify right side
   140,085x = 104,955,588,992.25
5. Step 5: Solve for x
   x = 104,955,588,992.25/140,085
6. Step 6: Final answer
   x = 749,227.89