Finding the Third Proportional to 76,740 and 162,604.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,740 : 162,604.50 = 162,604.50 : x
2. Step 2: Convert to fraction form
   76,740/162,604.50 = 162,604.50/x
3. Step 3: Cross multiply
   76,740x = 162,604.50 × 162,604.50
4. Step 4: Simplify right side
   76,740x = 26,440,223,420.25
5. Step 5: Solve for x
   x = 26,440,223,420.25/76,740
6. Step 6: Final answer
   x = 344,542.92