Finding the Third Proportional to 30,768.75 and 72,592.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,768.75 : 72,592.88 = 72,592.88 : x
2. Step 2: Convert to fraction form
   30,768.75/72,592.88 = 72,592.88/x
3. Step 3: Cross multiply
   30,768.75x = 72,592.88 × 72,592.88
4. Step 4: Simplify right side
   30,768.75x = 5,269,725,500.77
5. Step 5: Solve for x
   x = 5,269,725,500.77/30,768.75
6. Step 6: Final answer
   x = 171,268.75