Finding the Third Proportional to 15,699 and 34,350

Step by Step Solution

1. Step 1: Write the proportion equation
   15,699 : 34,350 = 34,350 : x
2. Step 2: Convert to fraction form
   15,699/34,350 = 34,350/x
3. Step 3: Cross multiply
   15,699x = 34,350 × 34,350
4. Step 4: Simplify right side
   15,699x = 1,179,922,500
5. Step 5: Solve for x
   x = 1,179,922,500/15,699
6. Step 6: Final answer
   x = 75,159.09