Finding the Third Proportional to 27,208.31 and 42,042.19

Step by Step Solution

1. Step 1: Write the proportion equation
   27,208.31 : 42,042.19 = 42,042.19 : x
2. Step 2: Convert to fraction form
   27,208.31/42,042.19 = 42,042.19/x
3. Step 3: Cross multiply
   27,208.31x = 42,042.19 × 42,042.19
4. Step 4: Simplify right side
   27,208.31x = 1,767,545,529.79
5. Step 5: Solve for x
   x = 1,767,545,529.79/27,208.31
6. Step 6: Final answer
   x = 64,963.44