Finding the Third Proportional to 69,337.50 and 149,362.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,337.50 : 149,362.50 = 149,362.50 : x
2. Step 2: Convert to fraction form
   69,337.50/149,362.50 = 149,362.50/x
3. Step 3: Cross multiply
   69,337.50x = 149,362.50 × 149,362.50
4. Step 4: Simplify right side
   69,337.50x = 22,309,156,406.25
5. Step 5: Solve for x
   x = 22,309,156,406.25/69,337.50
6. Step 6: Final answer
   x = 321,747.34