Finding the Third Proportional to 76,065.25 and 162,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,065.25 : 162,311.50 = 162,311.50 : x
2. Step 2: Convert to fraction form
   76,065.25/162,311.50 = 162,311.50/x
3. Step 3: Cross multiply
   76,065.25x = 162,311.50 × 162,311.50
4. Step 4: Simplify right side
   76,065.25x = 26,345,023,032.25
5. Step 5: Solve for x
   x = 26,345,023,032.25/76,065.25
6. Step 6: Final answer
   x = 346,347.68