Finding the Third Proportional to 17,131.50 and 34,731

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.50 : 34,731 = 34,731 : x
2. Step 2: Convert to fraction form
   17,131.50/34,731 = 34,731/x
3. Step 3: Cross multiply
   17,131.50x = 34,731 × 34,731
4. Step 4: Simplify right side
   17,131.50x = 1,206,242,361
5. Step 5: Solve for x
   x = 1,206,242,361/17,131.50
6. Step 6: Final answer
   x = 70,410.78