Finding the Third Proportional to 84,559.50 and 130,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,559.50 : 130,018.50 = 130,018.50 : x
2. Step 2: Convert to fraction form
   84,559.50/130,018.50 = 130,018.50/x
3. Step 3: Cross multiply
   84,559.50x = 130,018.50 × 130,018.50
4. Step 4: Simplify right side
   84,559.50x = 16,904,810,342.25
5. Step 5: Solve for x
   x = 16,904,810,342.25/84,559.50
6. Step 6: Final answer
   x = 199,916.16