Finding the Third Proportional to 187,003.50 and 405,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,003.50 : 405,710.50 = 405,710.50 : x
2. Step 2: Convert to fraction form
   187,003.50/405,710.50 = 405,710.50/x
3. Step 3: Cross multiply
   187,003.50x = 405,710.50 × 405,710.50
4. Step 4: Simplify right side
   187,003.50x = 164,601,009,810.25
5. Step 5: Solve for x
   x = 164,601,009,810.25/187,003.50
6. Step 6: Final answer
   x = 880,202.83