Finding the Third Proportional to 83,647.69 and 134,654.91

Step by Step Solution

1. Step 1: Write the proportion equation
   83,647.69 : 134,654.91 = 134,654.91 : x
2. Step 2: Convert to fraction form
   83,647.69/134,654.91 = 134,654.91/x
3. Step 3: Cross multiply
   83,647.69x = 134,654.91 × 134,654.91
4. Step 4: Simplify right side
   83,647.69x = 18,131,943,777.20
5. Step 5: Solve for x
   x = 18,131,943,777.20/83,647.69
6. Step 6: Final answer
   x = 216,765.63