Finding the Third Proportional to 56,619 and 83,288.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,619 : 83,288.25 = 83,288.25 : x
2. Step 2: Convert to fraction form
   56,619/83,288.25 = 83,288.25/x
3. Step 3: Cross multiply
   56,619x = 83,288.25 × 83,288.25
4. Step 4: Simplify right side
   56,619x = 6,936,932,588.06
5. Step 5: Solve for x
   x = 6,936,932,588.06/56,619
6. Step 6: Final answer
   x = 122,519.52