Finding the Third Proportional to 38,599.88 and 57,992.63

Step by Step Solution

1. Step 1: Write the proportion equation
   38,599.88 : 57,992.63 = 57,992.63 : x
2. Step 2: Convert to fraction form
   38,599.88/57,992.63 = 57,992.63/x
3. Step 3: Cross multiply
   38,599.88x = 57,992.63 × 57,992.63
4. Step 4: Simplify right side
   38,599.88x = 3,363,144,554.39
5. Step 5: Solve for x
   x = 3,363,144,554.39/38,599.88
6. Step 6: Final answer
   x = 87,128.38