Finding the Third Proportional to 70,628 and 112,422

Step by Step Solution

1. Step 1: Write the proportion equation
   70,628 : 112,422 = 112,422 : x
2. Step 2: Convert to fraction form
   70,628/112,422 = 112,422/x
3. Step 3: Cross multiply
   70,628x = 112,422 × 112,422
4. Step 4: Simplify right side
   70,628x = 12,638,706,084
5. Step 5: Solve for x
   x = 12,638,706,084/70,628
6. Step 6: Final answer
   x = 178,947.53