Finding the Third Proportional to 34,830 and 73,800

Step by Step Solution

1. Step 1: Write the proportion equation
   34,830 : 73,800 = 73,800 : x
2. Step 2: Convert to fraction form
   34,830/73,800 = 73,800/x
3. Step 3: Cross multiply
   34,830x = 73,800 × 73,800
4. Step 4: Simplify right side
   34,830x = 5,446,440,000
5. Step 5: Solve for x
   x = 5,446,440,000/34,830
6. Step 6: Final answer
   x = 156,372.09