Finding the Third Proportional to 69,470.50 and 149,474

Step by Step Solution

1. Step 1: Write the proportion equation
   69,470.50 : 149,474 = 149,474 : x
2. Step 2: Convert to fraction form
   69,470.50/149,474 = 149,474/x
3. Step 3: Cross multiply
   69,470.50x = 149,474 × 149,474
4. Step 4: Simplify right side
   69,470.50x = 22,342,476,676
5. Step 5: Solve for x
   x = 22,342,476,676/69,470.50
6. Step 6: Final answer
   x = 321,611.00