Finding the Third Proportional to 163,401.75 and 245,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,401.75 : 245,020.50 = 245,020.50 : x
2. Step 2: Convert to fraction form
   163,401.75/245,020.50 = 245,020.50/x
3. Step 3: Cross multiply
   163,401.75x = 245,020.50 × 245,020.50
4. Step 4: Simplify right side
   163,401.75x = 60,035,045,420.25
5. Step 5: Solve for x
   x = 60,035,045,420.25/163,401.75
6. Step 6: Final answer
   x = 367,407.60