Finding the Third Proportional to 77,811.50 and 170,752

Step by Step Solution

1. Step 1: Write the proportion equation
   77,811.50 : 170,752 = 170,752 : x
2. Step 2: Convert to fraction form
   77,811.50/170,752 = 170,752/x
3. Step 3: Cross multiply
   77,811.50x = 170,752 × 170,752
4. Step 4: Simplify right side
   77,811.50x = 29,156,245,504
5. Step 5: Solve for x
   x = 29,156,245,504/77,811.50
6. Step 6: Final answer
   x = 374,703.55