Finding the Third Proportional to 163,663.50 and 243,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,663.50 : 243,034.50 = 243,034.50 : x
2. Step 2: Convert to fraction form
   163,663.50/243,034.50 = 243,034.50/x
3. Step 3: Cross multiply
   163,663.50x = 243,034.50 × 243,034.50
4. Step 4: Simplify right side
   163,663.50x = 59,065,768,190.25
5. Step 5: Solve for x
   x = 59,065,768,190.25/163,663.50
6. Step 6: Final answer
   x = 360,897.62