Finding the Third Proportional to 163,870.50 and 235,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,870.50 : 235,198.50 = 235,198.50 : x
2. Step 2: Convert to fraction form
   163,870.50/235,198.50 = 235,198.50/x
3. Step 3: Cross multiply
   163,870.50x = 235,198.50 × 235,198.50
4. Step 4: Simplify right side
   163,870.50x = 55,318,334,402.25
5. Step 5: Solve for x
   x = 55,318,334,402.25/163,870.50
6. Step 6: Final answer
   x = 337,573.48