Finding the Third Proportional to 28,630 and 62,960

Step by Step Solution

1. Step 1: Write the proportion equation
   28,630 : 62,960 = 62,960 : x
2. Step 2: Convert to fraction form
   28,630/62,960 = 62,960/x
3. Step 3: Cross multiply
   28,630x = 62,960 × 62,960
4. Step 4: Simplify right side
   28,630x = 3,963,961,600
5. Step 5: Solve for x
   x = 3,963,961,600/28,630
6. Step 6: Final answer
   x = 138,454.82