Finding the Third Proportional to 163,539 and 241,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,539 : 241,663.50 = 241,663.50 : x
2. Step 2: Convert to fraction form
   163,539/241,663.50 = 241,663.50/x
3. Step 3: Cross multiply
   163,539x = 241,663.50 × 241,663.50
4. Step 4: Simplify right side
   163,539x = 58,401,247,232.25
5. Step 5: Solve for x
   x = 58,401,247,232.25/163,539
6. Step 6: Final answer
   x = 357,108.99