Finding the Third Proportional to 69,394.50 and 149,314

Step by Step Solution

1. Step 1: Write the proportion equation
   69,394.50 : 149,314 = 149,314 : x
2. Step 2: Convert to fraction form
   69,394.50/149,314 = 149,314/x
3. Step 3: Cross multiply
   69,394.50x = 149,314 × 149,314
4. Step 4: Simplify right side
   69,394.50x = 22,294,670,596
5. Step 5: Solve for x
   x = 22,294,670,596/69,394.50
6. Step 6: Final answer
   x = 321,274.32