Finding the Third Proportional to 67,810 and 98,636

Step by Step Solution

1. Step 1: Write the proportion equation
   67,810 : 98,636 = 98,636 : x
2. Step 2: Convert to fraction form
   67,810/98,636 = 98,636/x
3. Step 3: Cross multiply
   67,810x = 98,636 × 98,636
4. Step 4: Simplify right side
   67,810x = 9,729,060,496
5. Step 5: Solve for x
   x = 9,729,060,496/67,810
6. Step 6: Final answer
   x = 143,475.31