Finding the Third Proportional to 91,018.47 and 136,527.59

Step by Step Solution

1. Step 1: Write the proportion equation
   91,018.47 : 136,527.59 = 136,527.59 : x
2. Step 2: Convert to fraction form
   91,018.47/136,527.59 = 136,527.59/x
3. Step 3: Cross multiply
   91,018.47x = 136,527.59 × 136,527.59
4. Step 4: Simplify right side
   91,018.47x = 18,639,783,855.17
5. Step 5: Solve for x
   x = 18,639,783,855.17/91,018.47
6. Step 6: Final answer
   x = 204,791.23