Finding the Third Proportional to 42,054.19 and 89,940.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,054.19 : 89,940.38 = 89,940.38 : x
2. Step 2: Convert to fraction form
   42,054.19/89,940.38 = 89,940.38/x
3. Step 3: Cross multiply
   42,054.19x = 89,940.38 × 89,940.38
4. Step 4: Simplify right side
   42,054.19x = 8,089,271,055.14
5. Step 5: Solve for x
   x = 8,089,271,055.14/42,054.19
6. Step 6: Final answer
   x = 192,353.52