Finding the Third Proportional to 187,323 and 401,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,323 : 401,443.50 = 401,443.50 : x
2. Step 2: Convert to fraction form
   187,323/401,443.50 = 401,443.50/x
3. Step 3: Cross multiply
   187,323x = 401,443.50 × 401,443.50
4. Step 4: Simplify right side
   187,323x = 161,156,883,692.25
5. Step 5: Solve for x
   x = 161,156,883,692.25/187,323
6. Step 6: Final answer
   x = 860,315.52