Finding the Third Proportional to 42,111.56 and 90,968.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,111.56 : 90,968.06 = 90,968.06 : x
2. Step 2: Convert to fraction form
   42,111.56/90,968.06 = 90,968.06/x
3. Step 3: Cross multiply
   42,111.56x = 90,968.06 × 90,968.06
4. Step 4: Simplify right side
   42,111.56x = 8,275,188,395.00
5. Step 5: Solve for x
   x = 8,275,188,395.00/42,111.56
6. Step 6: Final answer
   x = 196,506.33