Finding the Third Proportional to 42,580.69 and 92,215.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,580.69 : 92,215.76 = 92,215.76 : x
2. Step 2: Convert to fraction form
   42,580.69/92,215.76 = 92,215.76/x
3. Step 3: Cross multiply
   42,580.69x = 92,215.76 × 92,215.76
4. Step 4: Simplify right side
   42,580.69x = 8,503,745,988.93
5. Step 5: Solve for x
   x = 8,503,745,988.93/42,580.69
6. Step 6: Final answer
   x = 199,708.99