Finding the Third Proportional to 123,243.50 and 265,168

Step by Step Solution

1. Step 1: Write the proportion equation
   123,243.50 : 265,168 = 265,168 : x
2. Step 2: Convert to fraction form
   123,243.50/265,168 = 265,168/x
3. Step 3: Cross multiply
   123,243.50x = 265,168 × 265,168
4. Step 4: Simplify right side
   123,243.50x = 70,314,068,224
5. Step 5: Solve for x
   x = 70,314,068,224/123,243.50
6. Step 6: Final answer
   x = 570,529.63