Finding the Third Proportional to 77,851.50 and 170,244

Step by Step Solution

1. Step 1: Write the proportion equation
   77,851.50 : 170,244 = 170,244 : x
2. Step 2: Convert to fraction form
   77,851.50/170,244 = 170,244/x
3. Step 3: Cross multiply
   77,851.50x = 170,244 × 170,244
4. Step 4: Simplify right side
   77,851.50x = 28,983,019,536
5. Step 5: Solve for x
   x = 28,983,019,536/77,851.50
6. Step 6: Final answer
   x = 372,285.95