Finding the Third Proportional to 30,111.75 and 42,082.03

Step by Step Solution

1. Step 1: Write the proportion equation
   30,111.75 : 42,082.03 = 42,082.03 : x
2. Step 2: Convert to fraction form
   30,111.75/42,082.03 = 42,082.03/x
3. Step 3: Cross multiply
   30,111.75x = 42,082.03 × 42,082.03
4. Step 4: Simplify right side
   30,111.75x = 1,770,897,354.13
5. Step 5: Solve for x
   x = 1,770,897,354.13/30,111.75
6. Step 6: Final answer
   x = 58,810.84