Finding the Third Proportional to 163,513.50 and 245,433

Step by Step Solution

1. Step 1: Write the proportion equation
   163,513.50 : 245,433 = 245,433 : x
2. Step 2: Convert to fraction form
   163,513.50/245,433 = 245,433/x
3. Step 3: Cross multiply
   163,513.50x = 245,433 × 245,433
4. Step 4: Simplify right side
   163,513.50x = 60,237,357,489
5. Step 5: Solve for x
   x = 60,237,357,489/163,513.50
6. Step 6: Final answer
   x = 368,393.79