Finding the Third Proportional to 99,992.25 and 140,632.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,992.25 : 140,632.88 = 140,632.88 : x
2. Step 2: Convert to fraction form
   99,992.25/140,632.88 = 140,632.88/x
3. Step 3: Cross multiply
   99,992.25x = 140,632.88 × 140,632.88
4. Step 4: Simplify right side
   99,992.25x = 19,777,605,530.77
5. Step 5: Solve for x
   x = 19,777,605,530.77/99,992.25
6. Step 6: Final answer
   x = 197,791.38