Finding the Third Proportional to 42,168 and 61,983

Step by Step Solution

1. Step 1: Write the proportion equation
   42,168 : 61,983 = 61,983 : x
2. Step 2: Convert to fraction form
   42,168/61,983 = 61,983/x
3. Step 3: Cross multiply
   42,168x = 61,983 × 61,983
4. Step 4: Simplify right side
   42,168x = 3,841,892,289
5. Step 5: Solve for x
   x = 3,841,892,289/42,168
6. Step 6: Final answer
   x = 91,109.19