Finding the Third Proportional to 188,932.50 and 402,894

Step by Step Solution

1. Step 1: Write the proportion equation
   188,932.50 : 402,894 = 402,894 : x
2. Step 2: Convert to fraction form
   188,932.50/402,894 = 402,894/x
3. Step 3: Cross multiply
   188,932.50x = 402,894 × 402,894
4. Step 4: Simplify right side
   188,932.50x = 162,323,575,236
5. Step 5: Solve for x
   x = 162,323,575,236/188,932.50
6. Step 6: Final answer
   x = 859,161.74