Finding the Third Proportional to 53,278.88 and 79,553.81

Step by Step Solution

1. Step 1: Write the proportion equation
   53,278.88 : 79,553.81 = 79,553.81 : x
2. Step 2: Convert to fraction form
   53,278.88/79,553.81 = 79,553.81/x
3. Step 3: Cross multiply
   53,278.88x = 79,553.81 × 79,553.81
4. Step 4: Simplify right side
   53,278.88x = 6,328,809,083.29
5. Step 5: Solve for x
   x = 6,328,809,083.29/53,278.88
6. Step 6: Final answer
   x = 118,786.46