Finding the Third Proportional to 69,967.50 and 109,449

Step by Step Solution

1. Step 1: Write the proportion equation
   69,967.50 : 109,449 = 109,449 : x
2. Step 2: Convert to fraction form
   69,967.50/109,449 = 109,449/x
3. Step 3: Cross multiply
   69,967.50x = 109,449 × 109,449
4. Step 4: Simplify right side
   69,967.50x = 11,979,083,601
5. Step 5: Solve for x
   x = 11,979,083,601/69,967.50
6. Step 6: Final answer
   x = 171,209.26