Finding the Third Proportional to 27,217.50 and 42,056.25

Step by Step Solution

1. Step 1: Write the proportion equation
   27,217.50 : 42,056.25 = 42,056.25 : x
2. Step 2: Convert to fraction form
   27,217.50/42,056.25 = 42,056.25/x
3. Step 3: Cross multiply
   27,217.50x = 42,056.25 × 42,056.25
4. Step 4: Simplify right side
   27,217.50x = 1,768,728,164.06
5. Step 5: Solve for x
   x = 1,768,728,164.06/27,217.50
6. Step 6: Final answer
   x = 64,984.96