Finding the Third Proportional to 186,319.50 and 404,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,319.50 : 404,146.50 = 404,146.50 : x
2. Step 2: Convert to fraction form
   186,319.50/404,146.50 = 404,146.50/x
3. Step 3: Cross multiply
   186,319.50x = 404,146.50 × 404,146.50
4. Step 4: Simplify right side
   186,319.50x = 163,334,393,462.25
5. Step 5: Solve for x
   x = 163,334,393,462.25/186,319.50
6. Step 6: Final answer
   x = 876,636.07