Finding the Third Proportional to 12,355.98 and 19,645.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,355.98 : 19,645.98 = 19,645.98 : x
2. Step 2: Convert to fraction form
   12,355.98/19,645.98 = 19,645.98/x
3. Step 3: Cross multiply
   12,355.98x = 19,645.98 × 19,645.98
4. Step 4: Simplify right side
   12,355.98x = 385,964,548.58
5. Step 5: Solve for x
   x = 385,964,548.58/12,355.98
6. Step 6: Final answer
   x = 31,237.06