Finding the Third Proportional to 39,408.19 and 59,121.56

Step by Step Solution

1. Step 1: Write the proportion equation
   39,408.19 : 59,121.56 = 59,121.56 : x
2. Step 2: Convert to fraction form
   39,408.19/59,121.56 = 59,121.56/x
3. Step 3: Cross multiply
   39,408.19x = 59,121.56 × 59,121.56
4. Step 4: Simplify right side
   39,408.19x = 3,495,359,152.44
5. Step 5: Solve for x
   x = 3,495,359,152.44/39,408.19
6. Step 6: Final answer
   x = 88,696.27