Finding the Third Proportional to 72,476 and 155,666

Step by Step Solution

1. Step 1: Write the proportion equation
   72,476 : 155,666 = 155,666 : x
2. Step 2: Convert to fraction form
   72,476/155,666 = 155,666/x
3. Step 3: Cross multiply
   72,476x = 155,666 × 155,666
4. Step 4: Simplify right side
   72,476x = 24,231,903,556
5. Step 5: Solve for x
   x = 24,231,903,556/72,476
6. Step 6: Final answer
   x = 334,343.83