Finding the Third Proportional to 30,908 and 67,132

Step by Step Solution

1. Step 1: Write the proportion equation
   30,908 : 67,132 = 67,132 : x
2. Step 2: Convert to fraction form
   30,908/67,132 = 67,132/x
3. Step 3: Cross multiply
   30,908x = 67,132 × 67,132
4. Step 4: Simplify right side
   30,908x = 4,506,705,424
5. Step 5: Solve for x
   x = 4,506,705,424/30,908
6. Step 6: Final answer
   x = 145,810.32