Finding the Third Proportional to 67,621 and 105,118

Step by Step Solution

1. Step 1: Write the proportion equation
   67,621 : 105,118 = 105,118 : x
2. Step 2: Convert to fraction form
   67,621/105,118 = 105,118/x
3. Step 3: Cross multiply
   67,621x = 105,118 × 105,118
4. Step 4: Simplify right side
   67,621x = 11,049,793,924
5. Step 5: Solve for x
   x = 11,049,793,924/67,621
6. Step 6: Final answer
   x = 163,407.73