Finding the Third Proportional to 109,617.50 and 236,154

Step by Step Solution

1. Step 1: Write the proportion equation
   109,617.50 : 236,154 = 236,154 : x
2. Step 2: Convert to fraction form
   109,617.50/236,154 = 236,154/x
3. Step 3: Cross multiply
   109,617.50x = 236,154 × 236,154
4. Step 4: Simplify right side
   109,617.50x = 55,768,711,716
5. Step 5: Solve for x
   x = 55,768,711,716/109,617.50
6. Step 6: Final answer
   x = 508,757.38