Finding the Third Proportional to 92,781.50 and 206,812

Step by Step Solution

1. Step 1: Write the proportion equation
   92,781.50 : 206,812 = 206,812 : x
2. Step 2: Convert to fraction form
   92,781.50/206,812 = 206,812/x
3. Step 3: Cross multiply
   92,781.50x = 206,812 × 206,812
4. Step 4: Simplify right side
   92,781.50x = 42,771,203,344
5. Step 5: Solve for x
   x = 42,771,203,344/92,781.50
6. Step 6: Final answer
   x = 460,988.49