Finding the Third Proportional to 17,700 and 37,272

Step by Step Solution

1. Step 1: Write the proportion equation
   17,700 : 37,272 = 37,272 : x
2. Step 2: Convert to fraction form
   17,700/37,272 = 37,272/x
3. Step 3: Cross multiply
   17,700x = 37,272 × 37,272
4. Step 4: Simplify right side
   17,700x = 1,389,201,984
5. Step 5: Solve for x
   x = 1,389,201,984/17,700
6. Step 6: Final answer
   x = 78,485.99