Finding the Third Proportional to 40,363.31 and 88,421.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,363.31 : 88,421.63 = 88,421.63 : x
2. Step 2: Convert to fraction form
   40,363.31/88,421.63 = 88,421.63/x
3. Step 3: Cross multiply
   40,363.31x = 88,421.63 × 88,421.63
4. Step 4: Simplify right side
   40,363.31x = 7,818,383,767.64
5. Step 5: Solve for x
   x = 7,818,383,767.64/40,363.31
6. Step 6: Final answer
   x = 193,700.25