Finding the Third Proportional to 42,119.58 and 91,619.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,119.58 : 91,619.86 = 91,619.86 : x
2. Step 2: Convert to fraction form
   42,119.58/91,619.86 = 91,619.86/x
3. Step 3: Cross multiply
   42,119.58x = 91,619.86 × 91,619.86
4. Step 4: Simplify right side
   42,119.58x = 8,394,198,631.89
5. Step 5: Solve for x
   x = 8,394,198,631.89/42,119.58
6. Step 6: Final answer
   x = 199,294.46