Finding the Third Proportional to 67,621.50 and 105,117

Step by Step Solution

1. Step 1: Write the proportion equation
   67,621.50 : 105,117 = 105,117 : x
2. Step 2: Convert to fraction form
   67,621.50/105,117 = 105,117/x
3. Step 3: Cross multiply
   67,621.50x = 105,117 × 105,117
4. Step 4: Simplify right side
   67,621.50x = 11,049,583,689
5. Step 5: Solve for x
   x = 11,049,583,689/67,621.50
6. Step 6: Final answer
   x = 163,403.41