Finding the Third Proportional to 80,688 and 124,434

Step by Step Solution

1. Step 1: Write the proportion equation
   80,688 : 124,434 = 124,434 : x
2. Step 2: Convert to fraction form
   80,688/124,434 = 124,434/x
3. Step 3: Cross multiply
   80,688x = 124,434 × 124,434
4. Step 4: Simplify right side
   80,688x = 15,483,820,356
5. Step 5: Solve for x
   x = 15,483,820,356/80,688
6. Step 6: Final answer
   x = 191,897.44