Finding the Third Proportional to 27,428.50 and 59,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,428.50 : 59,018.50 = 59,018.50 : x
2. Step 2: Convert to fraction form
   27,428.50/59,018.50 = 59,018.50/x
3. Step 3: Cross multiply
   27,428.50x = 59,018.50 × 59,018.50
4. Step 4: Simplify right side
   27,428.50x = 3,483,183,342.25
5. Step 5: Solve for x
   x = 3,483,183,342.25/27,428.50
6. Step 6: Final answer
   x = 126,991.39