Finding the Third Proportional to 19,758.94 and 40,672.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,758.94 : 40,672.13 = 40,672.13 : x
2. Step 2: Convert to fraction form
   19,758.94/40,672.13 = 40,672.13/x
3. Step 3: Cross multiply
   19,758.94x = 40,672.13 × 40,672.13
4. Step 4: Simplify right side
   19,758.94x = 1,654,221,752.02
5. Step 5: Solve for x
   x = 1,654,221,752.02/19,758.94
6. Step 6: Final answer
   x = 83,720.18