Finding the Third Proportional to 67,826 and 99,778

Step by Step Solution

1. Step 1: Write the proportion equation
   67,826 : 99,778 = 99,778 : x
2. Step 2: Convert to fraction form
   67,826/99,778 = 99,778/x
3. Step 3: Cross multiply
   67,826x = 99,778 × 99,778
4. Step 4: Simplify right side
   67,826x = 9,955,649,284
5. Step 5: Solve for x
   x = 9,955,649,284/67,826
6. Step 6: Final answer
   x = 146,782.20