Finding the Third Proportional to 33,172.50 and 69,417.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,172.50 : 69,417.75 = 69,417.75 : x
2. Step 2: Convert to fraction form
   33,172.50/69,417.75 = 69,417.75/x
3. Step 3: Cross multiply
   33,172.50x = 69,417.75 × 69,417.75
4. Step 4: Simplify right side
   33,172.50x = 4,818,824,015.06
5. Step 5: Solve for x
   x = 4,818,824,015.06/33,172.50
6. Step 6: Final answer
   x = 145,265.63