Finding the Third Proportional to 187,840 and 275,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,840 : 275,016.50 = 275,016.50 : x
2. Step 2: Convert to fraction form
   187,840/275,016.50 = 275,016.50/x
3. Step 3: Cross multiply
   187,840x = 275,016.50 × 275,016.50
4. Step 4: Simplify right side
   187,840x = 75,634,075,272.25
5. Step 5: Solve for x
   x = 75,634,075,272.25/187,840
6. Step 6: Final answer
   x = 402,651.59