Finding the Third Proportional to 108,909.84 and 235,918.69

Step by Step Solution

1. Step 1: Write the proportion equation
   108,909.84 : 235,918.69 = 235,918.69 : x
2. Step 2: Convert to fraction form
   108,909.84/235,918.69 = 235,918.69/x
3. Step 3: Cross multiply
   108,909.84x = 235,918.69 × 235,918.69
4. Step 4: Simplify right side
   108,909.84x = 55,657,627,111.72
5. Step 5: Solve for x
   x = 55,657,627,111.72/108,909.84
6. Step 6: Final answer
   x = 511,043.13