Finding the Third Proportional to 50,992.31 and 71,681.63

Step by Step Solution

1. Step 1: Write the proportion equation
   50,992.31 : 71,681.63 = 71,681.63 : x
2. Step 2: Convert to fraction form
   50,992.31/71,681.63 = 71,681.63/x
3. Step 3: Cross multiply
   50,992.31x = 71,681.63 × 71,681.63
4. Step 4: Simplify right side
   50,992.31x = 5,138,255,362.64
5. Step 5: Solve for x
   x = 5,138,255,362.64/50,992.31
6. Step 6: Final answer
   x = 100,765.29