Finding the Third Proportional to 163,772 and 347,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,772 : 347,227.50 = 347,227.50 : x
2. Step 2: Convert to fraction form
   163,772/347,227.50 = 347,227.50/x
3. Step 3: Cross multiply
   163,772x = 347,227.50 × 347,227.50
4. Step 4: Simplify right side
   163,772x = 120,566,936,756.25
5. Step 5: Solve for x
   x = 120,566,936,756.25/163,772
6. Step 6: Final answer
   x = 736,187.73