Finding the Third Proportional to 19,905.75 and 27,280.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,905.75 : 27,280.13 = 27,280.13 : x
2. Step 2: Convert to fraction form
   19,905.75/27,280.13 = 27,280.13/x
3. Step 3: Cross multiply
   19,905.75x = 27,280.13 × 27,280.13
4. Step 4: Simplify right side
   19,905.75x = 744,205,220.02
5. Step 5: Solve for x
   x = 744,205,220.02/19,905.75
6. Step 6: Final answer
   x = 37,386.44