Finding the Third Proportional to 19,470.80 and 42,545.36

Step by Step Solution

1. Step 1: Write the proportion equation
   19,470.80 : 42,545.36 = 42,545.36 : x
2. Step 2: Convert to fraction form
   19,470.80/42,545.36 = 42,545.36/x
3. Step 3: Cross multiply
   19,470.80x = 42,545.36 × 42,545.36
4. Step 4: Simplify right side
   19,470.80x = 1,810,107,271.96
5. Step 5: Solve for x
   x = 1,810,107,271.96/19,470.80
6. Step 6: Final answer
   x = 92,965.24