Finding the Third Proportional to 69,304.50 and 149,672.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,304.50 : 149,672.25 = 149,672.25 : x
2. Step 2: Convert to fraction form
   69,304.50/149,672.25 = 149,672.25/x
3. Step 3: Cross multiply
   69,304.50x = 149,672.25 × 149,672.25
4. Step 4: Simplify right side
   69,304.50x = 22,401,782,420.06
5. Step 5: Solve for x
   x = 22,401,782,420.06/69,304.50
6. Step 6: Final answer
   x = 323,237.05