Finding the Third Proportional to 42,362.50 and 91,698

Step by Step Solution

1. Step 1: Write the proportion equation
   42,362.50 : 91,698 = 91,698 : x
2. Step 2: Convert to fraction form
   42,362.50/91,698 = 91,698/x
3. Step 3: Cross multiply
   42,362.50x = 91,698 × 91,698
4. Step 4: Simplify right side
   42,362.50x = 8,408,523,204
5. Step 5: Solve for x
   x = 8,408,523,204/42,362.50
6. Step 6: Final answer
   x = 198,489.78