Finding the Third Proportional to 40,905 and 89,091

Step by Step Solution

1. Step 1: Write the proportion equation
   40,905 : 89,091 = 89,091 : x
2. Step 2: Convert to fraction form
   40,905/89,091 = 89,091/x
3. Step 3: Cross multiply
   40,905x = 89,091 × 89,091
4. Step 4: Simplify right side
   40,905x = 7,937,206,281
5. Step 5: Solve for x
   x = 7,937,206,281/40,905
6. Step 6: Final answer
   x = 194,040.00