Finding the Third Proportional to 27,131.63 and 42,170.63

Step by Step Solution

1. Step 1: Write the proportion equation
   27,131.63 : 42,170.63 = 42,170.63 : x
2. Step 2: Convert to fraction form
   27,131.63/42,170.63 = 42,170.63/x
3. Step 3: Cross multiply
   27,131.63x = 42,170.63 × 42,170.63
4. Step 4: Simplify right side
   27,131.63x = 1,778,361,612.89
5. Step 5: Solve for x
   x = 1,778,361,612.89/27,131.63
6. Step 6: Final answer
   x = 65,545.71