Finding the Third Proportional to 76,729.50 and 164,117.25

Step by Step Solution

1. Step 1: Write the proportion equation
   76,729.50 : 164,117.25 = 164,117.25 : x
2. Step 2: Convert to fraction form
   76,729.50/164,117.25 = 164,117.25/x
3. Step 3: Cross multiply
   76,729.50x = 164,117.25 × 164,117.25
4. Step 4: Simplify right side
   76,729.50x = 26,934,471,747.56
5. Step 5: Solve for x
   x = 26,934,471,747.56/76,729.50
6. Step 6: Final answer
   x = 351,031.50