Finding the Third Proportional to 47,191.36 and 91,990.69

Step by Step Solution

1. Step 1: Write the proportion equation
   47,191.36 : 91,990.69 = 91,990.69 : x
2. Step 2: Convert to fraction form
   47,191.36/91,990.69 = 91,990.69/x
3. Step 3: Cross multiply
   47,191.36x = 91,990.69 × 91,990.69
4. Step 4: Simplify right side
   47,191.36x = 8,462,286,586.72
5. Step 5: Solve for x
   x = 8,462,286,586.72/47,191.36
6. Step 6: Final answer
   x = 179,318.56