Finding the Third Proportional to 19,900.69 and 40,758.19

Step by Step Solution

1. Step 1: Write the proportion equation
   19,900.69 : 40,758.19 = 40,758.19 : x
2. Step 2: Convert to fraction form
   19,900.69/40,758.19 = 40,758.19/x
3. Step 3: Cross multiply
   19,900.69x = 40,758.19 × 40,758.19
4. Step 4: Simplify right side
   19,900.69x = 1,661,229,848.29
5. Step 5: Solve for x
   x = 1,661,229,848.29/19,900.69
6. Step 6: Final answer
   x = 83,476.00