Finding the Third Proportional to 187,461.50 and 404,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,461.50 : 404,865.50 = 404,865.50 : x
2. Step 2: Convert to fraction form
   187,461.50/404,865.50 = 404,865.50/x
3. Step 3: Cross multiply
   187,461.50x = 404,865.50 × 404,865.50
4. Step 4: Simplify right side
   187,461.50x = 163,916,073,090.25
5. Step 5: Solve for x
   x = 163,916,073,090.25/187,461.50
6. Step 6: Final answer
   x = 874,398.60