Finding the Third Proportional to 19,686.38 and 30,259.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,686.38 : 30,259.13 = 30,259.13 : x
2. Step 2: Convert to fraction form
   19,686.38/30,259.13 = 30,259.13/x
3. Step 3: Cross multiply
   19,686.38x = 30,259.13 × 30,259.13
4. Step 4: Simplify right side
   19,686.38x = 915,614,645.77
5. Step 5: Solve for x
   x = 915,614,645.77/19,686.38
6. Step 6: Final answer
   x = 46,510.07