Finding the Third Proportional to 182,981.25 and 389,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   182,981.25 : 389,290.50 = 389,290.50 : x
2. Step 2: Convert to fraction form
   182,981.25/389,290.50 = 389,290.50/x
3. Step 3: Cross multiply
   182,981.25x = 389,290.50 × 389,290.50
4. Step 4: Simplify right side
   182,981.25x = 151,547,093,390.25
5. Step 5: Solve for x
   x = 151,547,093,390.25/182,981.25
6. Step 6: Final answer
   x = 828,211.05