Finding the Third Proportional to 186,822 and 400,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,822 : 400,855.50 = 400,855.50 : x
2. Step 2: Convert to fraction form
   186,822/400,855.50 = 400,855.50/x
3. Step 3: Cross multiply
   186,822x = 400,855.50 × 400,855.50
4. Step 4: Simplify right side
   186,822x = 160,685,131,880.25
5. Step 5: Solve for x
   x = 160,685,131,880.25/186,822
6. Step 6: Final answer
   x = 860,097.48