Finding the Third Proportional to 27,391 and 42,248

Step by Step Solution

1. Step 1: Write the proportion equation
   27,391 : 42,248 = 42,248 : x
2. Step 2: Convert to fraction form
   27,391/42,248 = 42,248/x
3. Step 3: Cross multiply
   27,391x = 42,248 × 42,248
4. Step 4: Simplify right side
   27,391x = 1,784,893,504
5. Step 5: Solve for x
   x = 1,784,893,504/27,391
6. Step 6: Final answer
   x = 65,163.50