Finding the Third Proportional to 39,821.63 and 59,823.56

Step by Step Solution

1. Step 1: Write the proportion equation
   39,821.63 : 59,823.56 = 59,823.56 : x
2. Step 2: Convert to fraction form
   39,821.63/59,823.56 = 59,823.56/x
3. Step 3: Cross multiply
   39,821.63x = 59,823.56 × 59,823.56
4. Step 4: Simplify right side
   39,821.63x = 3,578,858,630.19
5. Step 5: Solve for x
   x = 3,578,858,630.19/39,821.63
6. Step 6: Final answer
   x = 89,872.24