Finding the Third Proportional to 40,383.56 and 88,421.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,383.56 : 88,421.63 = 88,421.63 : x
2. Step 2: Convert to fraction form
   40,383.56/88,421.63 = 88,421.63/x
3. Step 3: Cross multiply
   40,383.56x = 88,421.63 × 88,421.63
4. Step 4: Simplify right side
   40,383.56x = 7,818,383,767.64
5. Step 5: Solve for x
   x = 7,818,383,767.64/40,383.56
6. Step 6: Final answer
   x = 193,603.12