Finding the Third Proportional to 76,455 and 112,429

Step by Step Solution

1. Step 1: Write the proportion equation
   76,455 : 112,429 = 112,429 : x
2. Step 2: Convert to fraction form
   76,455/112,429 = 112,429/x
3. Step 3: Cross multiply
   76,455x = 112,429 × 112,429
4. Step 4: Simplify right side
   76,455x = 12,640,280,041
5. Step 5: Solve for x
   x = 12,640,280,041/76,455
6. Step 6: Final answer
   x = 165,329.67