Finding the Third Proportional to 187,680.80 and 404,884.83

Step by Step Solution

1. Step 1: Write the proportion equation
   187,680.80 : 404,884.83 = 404,884.83 : x
2. Step 2: Convert to fraction form
   187,680.80/404,884.83 = 404,884.83/x
3. Step 3: Cross multiply
   187,680.80x = 404,884.83 × 404,884.83
4. Step 4: Simplify right side
   187,680.80x = 163,931,724,045.81
5. Step 5: Solve for x
   x = 163,931,724,045.81/187,680.80
6. Step 6: Final answer
   x = 873,460.29