Finding the Third Proportional to 28,170 and 37,940

Step by Step Solution

1. Step 1: Write the proportion equation
   28,170 : 37,940 = 37,940 : x
2. Step 2: Convert to fraction form
   28,170/37,940 = 37,940/x
3. Step 3: Cross multiply
   28,170x = 37,940 × 37,940
4. Step 4: Simplify right side
   28,170x = 1,439,443,600
5. Step 5: Solve for x
   x = 1,439,443,600/28,170
6. Step 6: Final answer
   x = 51,098.46