Finding the Third Proportional to 61,275 and 70,995

Step by Step Solution

1. Step 1: Write the proportion equation
   61,275 : 70,995 = 70,995 : x
2. Step 2: Convert to fraction form
   61,275/70,995 = 70,995/x
3. Step 3: Cross multiply
   61,275x = 70,995 × 70,995
4. Step 4: Simplify right side
   61,275x = 5,040,290,025
5. Step 5: Solve for x
   x = 5,040,290,025/61,275
6. Step 6: Final answer
   x = 82,256.88