Finding the Third Proportional to 42,617.81 and 63,926.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,617.81 : 63,926.72 = 63,926.72 : x
2. Step 2: Convert to fraction form
   42,617.81/63,926.72 = 63,926.72/x
3. Step 3: Cross multiply
   42,617.81x = 63,926.72 × 63,926.72
4. Step 4: Simplify right side
   42,617.81x = 4,086,625,370.14
5. Step 5: Solve for x
   x = 4,086,625,370.14/42,617.81
6. Step 6: Final answer
   x = 95,890.08