Finding the Third Proportional to 33,304.75 and 69,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,304.75 : 69,688.50 = 69,688.50 : x
2. Step 2: Convert to fraction form
   33,304.75/69,688.50 = 69,688.50/x
3. Step 3: Cross multiply
   33,304.75x = 69,688.50 × 69,688.50
4. Step 4: Simplify right side
   33,304.75x = 4,856,487,032.25
5. Step 5: Solve for x
   x = 4,856,487,032.25/33,304.75
6. Step 6: Final answer
   x = 145,819.65