Finding the Third Proportional to 17,703 and 42,813

Step by Step Solution

1. Step 1: Write the proportion equation
   17,703 : 42,813 = 42,813 : x
2. Step 2: Convert to fraction form
   17,703/42,813 = 42,813/x
3. Step 3: Cross multiply
   17,703x = 42,813 × 42,813
4. Step 4: Simplify right side
   17,703x = 1,832,952,969
5. Step 5: Solve for x
   x = 1,832,952,969/17,703
6. Step 6: Final answer
   x = 103,539.12