Finding the Third Proportional to 30,638.25 and 43,355.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,638.25 : 43,355.25 = 43,355.25 : x
2. Step 2: Convert to fraction form
   30,638.25/43,355.25 = 43,355.25/x
3. Step 3: Cross multiply
   30,638.25x = 43,355.25 × 43,355.25
4. Step 4: Simplify right side
   30,638.25x = 1,879,677,702.56
5. Step 5: Solve for x
   x = 1,879,677,702.56/30,638.25
6. Step 6: Final answer
   x = 61,350.69