Finding the Third Proportional to 30,611.25 and 62,741.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,611.25 : 62,741.25 = 62,741.25 : x
2. Step 2: Convert to fraction form
   30,611.25/62,741.25 = 62,741.25/x
3. Step 3: Cross multiply
   30,611.25x = 62,741.25 × 62,741.25
4. Step 4: Simplify right side
   30,611.25x = 3,936,464,451.56
5. Step 5: Solve for x
   x = 3,936,464,451.56/30,611.25
6. Step 6: Final answer
   x = 128,595.35