Finding the Third Proportional to 27,742.75 and 42,908.88

Step by Step Solution

1. Step 1: Write the proportion equation
   27,742.75 : 42,908.88 = 42,908.88 : x
2. Step 2: Convert to fraction form
   27,742.75/42,908.88 = 42,908.88/x
3. Step 3: Cross multiply
   27,742.75x = 42,908.88 × 42,908.88
4. Step 4: Simplify right side
   27,742.75x = 1,841,171,553.77
5. Step 5: Solve for x
   x = 1,841,171,553.77/27,742.75
6. Step 6: Final answer
   x = 66,365.86