Finding the Third Proportional to 33,381 and 72,915.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,381 : 72,915.75 = 72,915.75 : x
2. Step 2: Convert to fraction form
   33,381/72,915.75 = 72,915.75/x
3. Step 3: Cross multiply
   33,381x = 72,915.75 × 72,915.75
4. Step 4: Simplify right side
   33,381x = 5,316,706,598.06
5. Step 5: Solve for x
   x = 5,316,706,598.06/33,381
6. Step 6: Final answer
   x = 159,273.44