Finding the Third Proportional to 17,603 and 37,513

Step by Step Solution

1. Step 1: Write the proportion equation
   17,603 : 37,513 = 37,513 : x
2. Step 2: Convert to fraction form
   17,603/37,513 = 37,513/x
3. Step 3: Cross multiply
   17,603x = 37,513 × 37,513
4. Step 4: Simplify right side
   17,603x = 1,407,225,169
5. Step 5: Solve for x
   x = 1,407,225,169/17,603
6. Step 6: Final answer
   x = 79,942.35