Finding the Third Proportional to 187,653 and 283,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,653 : 283,090.50 = 283,090.50 : x
2. Step 2: Convert to fraction form
   187,653/283,090.50 = 283,090.50/x
3. Step 3: Cross multiply
   187,653x = 283,090.50 × 283,090.50
4. Step 4: Simplify right side
   187,653x = 80,140,231,190.25
5. Step 5: Solve for x
   x = 80,140,231,190.25/187,653
6. Step 6: Final answer
   x = 427,066.08