Finding the Third Proportional to 114,861 and 243,360

Step by Step Solution

1. Step 1: Write the proportion equation
   114,861 : 243,360 = 243,360 : x
2. Step 2: Convert to fraction form
   114,861/243,360 = 243,360/x
3. Step 3: Cross multiply
   114,861x = 243,360 × 243,360
4. Step 4: Simplify right side
   114,861x = 59,224,089,600
5. Step 5: Solve for x
   x = 59,224,089,600/114,861
6. Step 6: Final answer
   x = 515,615.31