Finding the Third Proportional to 19,619.30 and 42,906.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,619.30 : 42,906.38 = 42,906.38 : x
2. Step 2: Convert to fraction form
   19,619.30/42,906.38 = 42,906.38/x
3. Step 3: Cross multiply
   19,619.30x = 42,906.38 × 42,906.38
4. Step 4: Simplify right side
   19,619.30x = 1,840,957,015.64
5. Step 5: Solve for x
   x = 1,840,957,015.64/19,619.30
6. Step 6: Final answer
   x = 93,834.00