Finding the Third Proportional to 34,558 and 74,030

Step by Step Solution

1. Step 1: Write the proportion equation
   34,558 : 74,030 = 74,030 : x
2. Step 2: Convert to fraction form
   34,558/74,030 = 74,030/x
3. Step 3: Cross multiply
   34,558x = 74,030 × 74,030
4. Step 4: Simplify right side
   34,558x = 5,480,440,900
5. Step 5: Solve for x
   x = 5,480,440,900/34,558
6. Step 6: Final answer
   x = 158,586.75