Finding the Third Proportional to 17,390 and 37,615

Step by Step Solution

1. Step 1: Write the proportion equation
   17,390 : 37,615 = 37,615 : x
2. Step 2: Convert to fraction form
   17,390/37,615 = 37,615/x
3. Step 3: Cross multiply
   17,390x = 37,615 × 37,615
4. Step 4: Simplify right side
   17,390x = 1,414,888,225
5. Step 5: Solve for x
   x = 1,414,888,225/17,390
6. Step 6: Final answer
   x = 81,362.18