Finding the Third Proportional to 56,178.56 and 83,424.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,178.56 : 83,424.94 = 83,424.94 : x
2. Step 2: Convert to fraction form
   56,178.56/83,424.94 = 83,424.94/x
3. Step 3: Cross multiply
   56,178.56x = 83,424.94 × 83,424.94
4. Step 4: Simplify right side
   56,178.56x = 6,959,720,196.88
5. Step 5: Solve for x
   x = 6,959,720,196.88/56,178.56
6. Step 6: Final answer
   x = 123,885.69