Finding the Third Proportional to 163,800.56 and 257,002.03

Step by Step Solution

1. Step 1: Write the proportion equation
   163,800.56 : 257,002.03 = 257,002.03 : x
2. Step 2: Convert to fraction form
   163,800.56/257,002.03 = 257,002.03/x
3. Step 3: Cross multiply
   163,800.56x = 257,002.03 × 257,002.03
4. Step 4: Simplify right side
   163,800.56x = 66,050,044,066.63
5. Step 5: Solve for x
   x = 66,050,044,066.63/163,800.56
6. Step 6: Final answer
   x = 403,234.54