Finding the Third Proportional to 72,771 and 109,426.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,771 : 109,426.75 = 109,426.75 : x
2. Step 2: Convert to fraction form
   72,771/109,426.75 = 109,426.75/x
3. Step 3: Cross multiply
   72,771x = 109,426.75 × 109,426.75
4. Step 4: Simplify right side
   72,771x = 11,974,213,615.56
5. Step 5: Solve for x
   x = 11,974,213,615.56/72,771
6. Step 6: Final answer
   x = 164,546.50