Finding the Third Proportional to 30,986.25 and 63,807

Step by Step Solution

1. Step 1: Write the proportion equation
   30,986.25 : 63,807 = 63,807 : x
2. Step 2: Convert to fraction form
   30,986.25/63,807 = 63,807/x
3. Step 3: Cross multiply
   30,986.25x = 63,807 × 63,807
4. Step 4: Simplify right side
   30,986.25x = 4,071,333,249
5. Step 5: Solve for x
   x = 4,071,333,249/30,986.25
6. Step 6: Final answer
   x = 131,391.61