Finding the Third Proportional to 72,396 and 111,294

Step by Step Solution

1. Step 1: Write the proportion equation
   72,396 : 111,294 = 111,294 : x
2. Step 2: Convert to fraction form
   72,396/111,294 = 111,294/x
3. Step 3: Cross multiply
   72,396x = 111,294 × 111,294
4. Step 4: Simplify right side
   72,396x = 12,386,354,436
5. Step 5: Solve for x
   x = 12,386,354,436/72,396
6. Step 6: Final answer
   x = 171,091.70