Finding the Third Proportional to 27,206.25 and 42,039.75

Step by Step Solution

1. Step 1: Write the proportion equation
   27,206.25 : 42,039.75 = 42,039.75 : x
2. Step 2: Convert to fraction form
   27,206.25/42,039.75 = 42,039.75/x
3. Step 3: Cross multiply
   27,206.25x = 42,039.75 × 42,039.75
4. Step 4: Simplify right side
   27,206.25x = 1,767,340,580.06
5. Step 5: Solve for x
   x = 1,767,340,580.06/27,206.25
6. Step 6: Final answer
   x = 64,960.83