Finding the Third Proportional to 42,030 and 91,059

Step by Step Solution

1. Step 1: Write the proportion equation
   42,030 : 91,059 = 91,059 : x
2. Step 2: Convert to fraction form
   42,030/91,059 = 91,059/x
3. Step 3: Cross multiply
   42,030x = 91,059 × 91,059
4. Step 4: Simplify right side
   42,030x = 8,291,741,481
5. Step 5: Solve for x
   x = 8,291,741,481/42,030
6. Step 6: Final answer
   x = 197,281.50