Finding the Third Proportional to 186,322.50 and 404,157

Step by Step Solution

1. Step 1: Write the proportion equation
   186,322.50 : 404,157 = 404,157 : x
2. Step 2: Convert to fraction form
   186,322.50/404,157 = 404,157/x
3. Step 3: Cross multiply
   186,322.50x = 404,157 × 404,157
4. Step 4: Simplify right side
   186,322.50x = 163,342,880,649
5. Step 5: Solve for x
   x = 163,342,880,649/186,322.50
6. Step 6: Final answer
   x = 876,667.50