Finding the Third Proportional to 71,811 and 152,700

Step by Step Solution

1. Step 1: Write the proportion equation
   71,811 : 152,700 = 152,700 : x
2. Step 2: Convert to fraction form
   71,811/152,700 = 152,700/x
3. Step 3: Cross multiply
   71,811x = 152,700 × 152,700
4. Step 4: Simplify right side
   71,811x = 23,317,290,000
5. Step 5: Solve for x
   x = 23,317,290,000/71,811
6. Step 6: Final answer
   x = 324,703.60