Finding the Third Proportional to 27,943.31 and 42,177.38

Step by Step Solution

1. Step 1: Write the proportion equation
   27,943.31 : 42,177.38 = 42,177.38 : x
2. Step 2: Convert to fraction form
   27,943.31/42,177.38 = 42,177.38/x
3. Step 3: Cross multiply
   27,943.31x = 42,177.38 × 42,177.38
4. Step 4: Simplify right side
   27,943.31x = 1,778,930,961.89
5. Step 5: Solve for x
   x = 1,778,930,961.89/27,943.31
6. Step 6: Final answer
   x = 63,662.14