Finding the Third Proportional to 43,274 and 85,931

Step by Step Solution

1. Step 1: Write the proportion equation
   43,274 : 85,931 = 85,931 : x
2. Step 2: Convert to fraction form
   43,274/85,931 = 85,931/x
3. Step 3: Cross multiply
   43,274x = 85,931 × 85,931
4. Step 4: Simplify right side
   43,274x = 7,384,136,761
5. Step 5: Solve for x
   x = 7,384,136,761/43,274
6. Step 6: Final answer
   x = 170,636.80