Finding the Third Proportional to 187,151.72 and 405,832.31

Step by Step Solution

1. Step 1: Write the proportion equation
   187,151.72 : 405,832.31 = 405,832.31 : x
2. Step 2: Convert to fraction form
   187,151.72/405,832.31 = 405,832.31/x
3. Step 3: Cross multiply
   187,151.72x = 405,832.31 × 405,832.31
4. Step 4: Simplify right side
   187,151.72x = 164,699,865,869.10
5. Step 5: Solve for x
   x = 164,699,865,869.10/187,151.72
6. Step 6: Final answer
   x = 880,033.95