Finding the Third Proportional to 42,531.75 and 91,707.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,531.75 : 91,707.38 = 91,707.38 : x
2. Step 2: Convert to fraction form
   42,531.75/91,707.38 = 91,707.38/x
3. Step 3: Cross multiply
   42,531.75x = 91,707.38 × 91,707.38
4. Step 4: Simplify right side
   42,531.75x = 8,410,242,629.39
5. Step 5: Solve for x
   x = 8,410,242,629.39/42,531.75
6. Step 6: Final answer
   x = 197,740.34