Finding the Third Proportional to 27,190.13 and 42,018.19

Step by Step Solution

1. Step 1: Write the proportion equation
   27,190.13 : 42,018.19 = 42,018.19 : x
2. Step 2: Convert to fraction form
   27,190.13/42,018.19 = 42,018.19/x
3. Step 3: Cross multiply
   27,190.13x = 42,018.19 × 42,018.19
4. Step 4: Simplify right side
   27,190.13x = 1,765,528,080.79
5. Step 5: Solve for x
   x = 1,765,528,080.79/27,190.13
6. Step 6: Final answer
   x = 64,932.69