Finding the Third Proportional to 56,227.50 and 84,918.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,227.50 : 84,918.38 = 84,918.38 : x
2. Step 2: Convert to fraction form
   56,227.50/84,918.38 = 84,918.38/x
3. Step 3: Cross multiply
   56,227.50x = 84,918.38 × 84,918.38
4. Step 4: Simplify right side
   56,227.50x = 7,211,130,412.64
5. Step 5: Solve for x
   x = 7,211,130,412.64/56,227.50
6. Step 6: Final answer
   x = 128,249.17