Finding the Third Proportional to 30,835.50 and 67,378.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,835.50 : 67,378.13 = 67,378.13 : x
2. Step 2: Convert to fraction form
   30,835.50/67,378.13 = 67,378.13/x
3. Step 3: Cross multiply
   30,835.50x = 67,378.13 × 67,378.13
4. Step 4: Simplify right side
   30,835.50x = 4,539,811,728.52
5. Step 5: Solve for x
   x = 4,539,811,728.52/30,835.50
6. Step 6: Final answer
   x = 147,226.79