Finding the Third Proportional to 78,522 and 123,348

Step by Step Solution

1. Step 1: Write the proportion equation
   78,522 : 123,348 = 123,348 : x
2. Step 2: Convert to fraction form
   78,522/123,348 = 123,348/x
3. Step 3: Cross multiply
   78,522x = 123,348 × 123,348
4. Step 4: Simplify right side
   78,522x = 15,214,729,104
5. Step 5: Solve for x
   x = 15,214,729,104/78,522
6. Step 6: Final answer
   x = 193,763.90