Finding the Third Proportional to 108,918 and 237,214.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,918 : 237,214.50 = 237,214.50 : x
2. Step 2: Convert to fraction form
   108,918/237,214.50 = 237,214.50/x
3. Step 3: Cross multiply
   108,918x = 237,214.50 × 237,214.50
4. Step 4: Simplify right side
   108,918x = 56,270,719,010.25
5. Step 5: Solve for x
   x = 56,270,719,010.25/108,918
6. Step 6: Final answer
   x = 516,633.79