Finding the Third Proportional to 12,858.75 and 30,952.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,858.75 : 30,952.13 = 30,952.13 : x
2. Step 2: Convert to fraction form
   12,858.75/30,952.13 = 30,952.13/x
3. Step 3: Cross multiply
   12,858.75x = 30,952.13 × 30,952.13
4. Step 4: Simplify right side
   12,858.75x = 958,034,042.02
5. Step 5: Solve for x
   x = 958,034,042.02/12,858.75
6. Step 6: Final answer
   x = 74,504.45