Finding the Third Proportional to 42,717 and 99,806

Step by Step Solution

1. Step 1: Write the proportion equation
   42,717 : 99,806 = 99,806 : x
2. Step 2: Convert to fraction form
   42,717/99,806 = 99,806/x
3. Step 3: Cross multiply
   42,717x = 99,806 × 99,806
4. Step 4: Simplify right side
   42,717x = 9,961,237,636
5. Step 5: Solve for x
   x = 9,961,237,636/42,717
6. Step 6: Final answer
   x = 233,191.41