Finding the Third Proportional to 68,565.50 and 104,172

Step by Step Solution

1. Step 1: Write the proportion equation
   68,565.50 : 104,172 = 104,172 : x
2. Step 2: Convert to fraction form
   68,565.50/104,172 = 104,172/x
3. Step 3: Cross multiply
   68,565.50x = 104,172 × 104,172
4. Step 4: Simplify right side
   68,565.50x = 10,851,805,584
5. Step 5: Solve for x
   x = 10,851,805,584/68,565.50
6. Step 6: Final answer
   x = 158,269.18