Finding the Third Proportional to 43,742.81 and 67,861.97

Step by Step Solution

1. Step 1: Write the proportion equation
   43,742.81 : 67,861.97 = 67,861.97 : x
2. Step 2: Convert to fraction form
   43,742.81/67,861.97 = 67,861.97/x
3. Step 3: Cross multiply
   43,742.81x = 67,861.97 × 67,861.97
4. Step 4: Simplify right side
   43,742.81x = 4,605,246,802.63
5. Step 5: Solve for x
   x = 4,605,246,802.63/43,742.81
6. Step 6: Final answer
   x = 105,280.08