Finding the Third Proportional to 30,374.50 and 42,755

Step by Step Solution

1. Step 1: Write the proportion equation
   30,374.50 : 42,755 = 42,755 : x
2. Step 2: Convert to fraction form
   30,374.50/42,755 = 42,755/x
3. Step 3: Cross multiply
   30,374.50x = 42,755 × 42,755
4. Step 4: Simplify right side
   30,374.50x = 1,827,990,025
5. Step 5: Solve for x
   x = 1,827,990,025/30,374.50
6. Step 6: Final answer
   x = 60,181.73