Finding the Third Proportional to 43,262 and 55,280

Step by Step Solution

1. Step 1: Write the proportion equation
   43,262 : 55,280 = 55,280 : x
2. Step 2: Convert to fraction form
   43,262/55,280 = 55,280/x
3. Step 3: Cross multiply
   43,262x = 55,280 × 55,280
4. Step 4: Simplify right side
   43,262x = 3,055,878,400
5. Step 5: Solve for x
   x = 3,055,878,400/43,262
6. Step 6: Final answer
   x = 70,636.55