Finding the Third Proportional to 19,482.19 and 42,077.81

Step by Step Solution

1. Step 1: Write the proportion equation
   19,482.19 : 42,077.81 = 42,077.81 : x
2. Step 2: Convert to fraction form
   19,482.19/42,077.81 = 42,077.81/x
3. Step 3: Cross multiply
   19,482.19x = 42,077.81 × 42,077.81
4. Step 4: Simplify right side
   19,482.19x = 1,770,542,304.79
5. Step 5: Solve for x
   x = 1,770,542,304.79/19,482.19
6. Step 6: Final answer
   x = 90,880.06