Finding the Third Proportional to 19,876.64 and 40,675.92

Step by Step Solution

1. Step 1: Write the proportion equation
   19,876.64 : 40,675.92 = 40,675.92 : x
2. Step 2: Convert to fraction form
   19,876.64/40,675.92 = 40,675.92/x
3. Step 3: Cross multiply
   19,876.64x = 40,675.92 × 40,675.92
4. Step 4: Simplify right side
   19,876.64x = 1,654,530,620.38
5. Step 5: Solve for x
   x = 1,654,530,620.38/19,876.64
6. Step 6: Final answer
   x = 83,239.95