Finding the Third Proportional to 91,959 and 140,613

Step by Step Solution

1. Step 1: Write the proportion equation
   91,959 : 140,613 = 140,613 : x
2. Step 2: Convert to fraction form
   91,959/140,613 = 140,613/x
3. Step 3: Cross multiply
   91,959x = 140,613 × 140,613
4. Step 4: Simplify right side
   91,959x = 19,772,015,769
5. Step 5: Solve for x
   x = 19,772,015,769/91,959
6. Step 6: Final answer
   x = 215,009.03