Finding the Third Proportional to 40,990.63 and 89,575.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,990.63 : 89,575.25 = 89,575.25 : x
2. Step 2: Convert to fraction form
   40,990.63/89,575.25 = 89,575.25/x
3. Step 3: Cross multiply
   40,990.63x = 89,575.25 × 89,575.25
4. Step 4: Simplify right side
   40,990.63x = 8,023,725,412.56
5. Step 5: Solve for x
   x = 8,023,725,412.56/40,990.63
6. Step 6: Final answer
   x = 195,745.38