Finding the Third Proportional to 9,938.88 and 13,930.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.88 : 13,930.63 = 13,930.63 : x
2. Step 2: Convert to fraction form
   9,938.88/13,930.63 = 13,930.63/x
3. Step 3: Cross multiply
   9,938.88x = 13,930.63 × 13,930.63
4. Step 4: Simplify right side
   9,938.88x = 194,062,312.89
5. Step 5: Solve for x
   x = 194,062,312.89/9,938.88
6. Step 6: Final answer
   x = 19,525.58