Finding the Third Proportional to 18,018.56 and 39,079.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,018.56 : 39,079.13 = 39,079.13 : x
2. Step 2: Convert to fraction form
   18,018.56/39,079.13 = 39,079.13/x
3. Step 3: Cross multiply
   18,018.56x = 39,079.13 × 39,079.13
4. Step 4: Simplify right side
   18,018.56x = 1,527,178,010.77
5. Step 5: Solve for x
   x = 1,527,178,010.77/18,018.56
6. Step 6: Final answer
   x = 84,755.82