Finding the Third Proportional to 42,783 and 91,107

Step by Step Solution

1. Step 1: Write the proportion equation
   42,783 : 91,107 = 91,107 : x
2. Step 2: Convert to fraction form
   42,783/91,107 = 91,107/x
3. Step 3: Cross multiply
   42,783x = 91,107 × 91,107
4. Step 4: Simplify right side
   42,783x = 8,300,485,449
5. Step 5: Solve for x
   x = 8,300,485,449/42,783
6. Step 6: Final answer
   x = 194,013.64