Finding the Third Proportional to 74,829.75 and 109,326

Step by Step Solution

1. Step 1: Write the proportion equation
   74,829.75 : 109,326 = 109,326 : x
2. Step 2: Convert to fraction form
   74,829.75/109,326 = 109,326/x
3. Step 3: Cross multiply
   74,829.75x = 109,326 × 109,326
4. Step 4: Simplify right side
   74,829.75x = 11,952,174,276
5. Step 5: Solve for x
   x = 11,952,174,276/74,829.75
6. Step 6: Final answer
   x = 159,724.90