Finding the Third Proportional to 33,912 and 72,515.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,912 : 72,515.25 = 72,515.25 : x
2. Step 2: Convert to fraction form
   33,912/72,515.25 = 72,515.25/x
3. Step 3: Cross multiply
   33,912x = 72,515.25 × 72,515.25
4. Step 4: Simplify right side
   33,912x = 5,258,461,482.56
5. Step 5: Solve for x
   x = 5,258,461,482.56/33,912
6. Step 6: Final answer
   x = 155,061.97