Finding the Third Proportional to 53,186.63 and 80,885.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,186.63 : 80,885.25 = 80,885.25 : x
2. Step 2: Convert to fraction form
   53,186.63/80,885.25 = 80,885.25/x
3. Step 3: Cross multiply
   53,186.63x = 80,885.25 × 80,885.25
4. Step 4: Simplify right side
   53,186.63x = 6,542,423,667.56
5. Step 5: Solve for x
   x = 6,542,423,667.56/53,186.63
6. Step 6: Final answer
   x = 123,008.81