Finding the Third Proportional to 190,182.50 and 401,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,182.50 : 401,585.50 = 401,585.50 : x
2. Step 2: Convert to fraction form
   190,182.50/401,585.50 = 401,585.50/x
3. Step 3: Cross multiply
   190,182.50x = 401,585.50 × 401,585.50
4. Step 4: Simplify right side
   190,182.50x = 161,270,913,810.25
5. Step 5: Solve for x
   x = 161,270,913,810.25/190,182.50
6. Step 6: Final answer
   x = 847,979.78